10 1 Ratio Proportion and Similarity Homework Chapter
![10 -1 Ratio Proportion and Similarity Homework: Chapter 10 -1 Page 499 # 1 10 -1 Ratio Proportion and Similarity Homework: Chapter 10 -1 Page 499 # 1](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-1.jpg)
![10 -1 Ratio Proportion and Similarity Warm Up Find the slope of the line 10 -1 Ratio Proportion and Similarity Warm Up Find the slope of the line](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-2.jpg)
![10 -1 Ratio Proportion and Similarity Objectives Write and simplify ratios. Use proportions to 10 -1 Ratio Proportion and Similarity Objectives Write and simplify ratios. Use proportions to](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-3.jpg)
![10 -1 Ratio Proportion and Similarity The Lord of the Rings movies transport viewers 10 -1 Ratio Proportion and Similarity The Lord of the Rings movies transport viewers](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-4.jpg)
![10 -1 Ratio Proportion and Similarity A ratio compares two numbers by division. The 10 -1 Ratio Proportion and Similarity A ratio compares two numbers by division. The](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-5.jpg)
![10 -1 Ratio Proportion and Similarity Remember! In a ratio, the denominator of the 10 -1 Ratio Proportion and Similarity Remember! In a ratio, the denominator of the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-6.jpg)
![10 -1 Ratio Proportion and Similarity Ratios & Slope Write a ratio expressing the 10 -1 Ratio Proportion and Similarity Ratios & Slope Write a ratio expressing the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-7.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Ratio & Slope Given that two points 10 -1 Ratio Proportion and Similarity TEACH! Ratio & Slope Given that two points](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-8.jpg)
![10 -1 Ratio Proportion and Similarity Example 1 : Similarity statement & Ratios Are 10 -1 Ratio Proportion and Similarity Example 1 : Similarity statement & Ratios Are](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-9.jpg)
![10 -1 Ratio Proportion and Similarity A Golden Rectangle is a rectangle that can 10 -1 Ratio Proportion and Similarity A Golden Rectangle is a rectangle that can](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-10.jpg)
![10 -1 Ratio Proportion and Similarity A ratio can involve more than two numbers. 10 -1 Ratio Proportion and Similarity A ratio can involve more than two numbers.](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-11.jpg)
![10 -1 Ratio Proportion and Similarity Example 2: Using Ratios The ratio of the 10 -1 Ratio Proportion and Similarity Example 2: Using Ratios The ratio of the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-12.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 2 The ratio of the angle 10 -1 Ratio Proportion and Similarity TEACH! Example 2 The ratio of the angle](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-13.jpg)
![10 -1 Ratio Proportion and Similarity -A proportion is an equation stating that two 10 -1 Ratio Proportion and Similarity -A proportion is an equation stating that two](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-14.jpg)
![10 -1 Ratio Proportion and Similarity In Algebra 1 you learned the Cross Products 10 -1 Ratio Proportion and Similarity In Algebra 1 you learned the Cross Products](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-15.jpg)
![10 -1 Ratio Proportion and Similarity Reading Math The Cross Products Property can also 10 -1 Ratio Proportion and Similarity Reading Math The Cross Products Property can also](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-16.jpg)
![10 -1 Ratio Proportion and Similarity Example 3: Solving Proportions Solve the proportion. (z 10 -1 Ratio Proportion and Similarity Example 3: Solving Proportions Solve the proportion. (z](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-17.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 3 A Solve the proportion. 3(56) 10 -1 Ratio Proportion and Similarity TEACH! Example 3 A Solve the proportion. 3(56)](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-18.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 3 B Solve the proportion. d(2) 10 -1 Ratio Proportion and Similarity TEACH! Example 3 B Solve the proportion. d(2)](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-19.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 3 C Solve the proportion. (x 10 -1 Ratio Proportion and Similarity TEACH! Example 3 C Solve the proportion. (x](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-20.jpg)
![10 -1 Ratio Proportion and Similarity The following table shows equivalent forms of the 10 -1 Ratio Proportion and Similarity The following table shows equivalent forms of the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-21.jpg)
![10 -1 Ratio Proportion and Similarity Example 4: Using Properties of Proportions Given that 10 -1 Ratio Proportion and Similarity Example 4: Using Properties of Proportions Given that](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-22.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 4 Given that 16 s = 10 -1 Ratio Proportion and Similarity TEACH! Example 4 Given that 16 s =](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-23.jpg)
![10 -1 Ratio Proportion and Similarity Example 5: Problem-Solving Application Martha is making a 10 -1 Ratio Proportion and Similarity Example 5: Problem-Solving Application Martha is making a](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-24.jpg)
![10 -1 Ratio Proportion and Similarity Example 5 Continued 2 Make a Plan Let 10 -1 Ratio Proportion and Similarity Example 5 Continued 2 Make a Plan Let](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-25.jpg)
![10 -1 Ratio Proportion and Similarity Example 5 Continued 3 Solve 5(15) = x(12. 10 -1 Ratio Proportion and Similarity Example 5 Continued 3 Solve 5(15) = x(12.](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-26.jpg)
![10 -1 Ratio Proportion and Similarity Example 5 Continued 4 Look Back Check the 10 -1 Ratio Proportion and Similarity Example 5 Continued 4 Look Back Check the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-27.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 5 Suppose the special-effects team of 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Suppose the special-effects team of](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-28.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 2 Make a Plan 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 2 Make a Plan](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-29.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 3 Solve 9. 2(996) 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 3 Solve 9. 2(996)](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-30.jpg)
![10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 4 Look Back Check 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 4 Look Back Check](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-31.jpg)
![10 -1 Ratio Proportion and Similarity Lesson Quiz 1. The ratio of the angle 10 -1 Ratio Proportion and Similarity Lesson Quiz 1. The ratio of the angle](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-32.jpg)
- Slides: 32
![10 1 Ratio Proportion and Similarity Homework Chapter 10 1 Page 499 1 10 -1 Ratio Proportion and Similarity Homework: Chapter 10 -1 Page 499 # 1](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-1.jpg)
10 -1 Ratio Proportion and Similarity Homework: Chapter 10 -1 Page 499 # 1 -27 Odds (Must Show Work) GEOMETRY
![10 1 Ratio Proportion and Similarity Warm Up Find the slope of the line 10 -1 Ratio Proportion and Similarity Warm Up Find the slope of the line](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-2.jpg)
10 -1 Ratio Proportion and Similarity Warm Up Find the slope of the line through each pair of points. 1. (1, 5) and (3, 9) 2 2. (– 6, 4) and (6, – 2) Solve each equation. 3. 4 x + 5 x + 6 x = 45 x = 3 4. (x – 5)2 = 81 5. Write x = 14 or x = – 4 in simplest form. GEOMETRY
![10 1 Ratio Proportion and Similarity Objectives Write and simplify ratios Use proportions to 10 -1 Ratio Proportion and Similarity Objectives Write and simplify ratios. Use proportions to](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-3.jpg)
10 -1 Ratio Proportion and Similarity Objectives Write and simplify ratios. Use proportions to solve problems. GEOMETRY
![10 1 Ratio Proportion and Similarity The Lord of the Rings movies transport viewers 10 -1 Ratio Proportion and Similarity The Lord of the Rings movies transport viewers](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-4.jpg)
10 -1 Ratio Proportion and Similarity The Lord of the Rings movies transport viewers to the fantasy world of Middle Earth. Many scenes feature vast fortresses, sprawling cities, and bottomless mines. To film these images, the moviemakers used ratios to help them build highly detailed miniature models. GEOMETRY
![10 1 Ratio Proportion and Similarity A ratio compares two numbers by division The 10 -1 Ratio Proportion and Similarity A ratio compares two numbers by division. The](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-5.jpg)
10 -1 Ratio Proportion and Similarity A ratio compares two numbers by division. The ratio , of two numbers a and b can be written as a to b, or , where b ≠ 0. For example, the ratios 1 to 2, 1: 2, and all represent the same comparison. GEOMETRY
![10 1 Ratio Proportion and Similarity Remember In a ratio the denominator of the 10 -1 Ratio Proportion and Similarity Remember! In a ratio, the denominator of the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-6.jpg)
10 -1 Ratio Proportion and Similarity Remember! In a ratio, the denominator of the fraction cannot be zero because division by zero is undefined. GEOMETRY
![10 1 Ratio Proportion and Similarity Ratios Slope Write a ratio expressing the 10 -1 Ratio Proportion and Similarity Ratios & Slope Write a ratio expressing the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-7.jpg)
10 -1 Ratio Proportion and Similarity Ratios & Slope Write a ratio expressing the slope of l. Substitute the given values. Simplify. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Ratio Slope Given that two points 10 -1 Ratio Proportion and Similarity TEACH! Ratio & Slope Given that two points](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-8.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Ratio & Slope Given that two points on m are C(– 2, 3) and D(6, 5), write a ratio expressing the slope of m. Substitute the given values. Simplify. GEOMETRY
![10 1 Ratio Proportion and Similarity Example 1 Similarity statement Ratios Are 10 -1 Ratio Proportion and Similarity Example 1 : Similarity statement & Ratios Are](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-9.jpg)
10 -1 Ratio Proportion and Similarity Example 1 : Similarity statement & Ratios Are the triangles similar? If they are, write a similarity statement and give the ratio. If they are not, explain why. E The corresponding angle pairs are congruent. Find the ratios and compare. B 15 A 18 C 16 20 12 F 24 GEOMETRY D
![10 1 Ratio Proportion and Similarity A Golden Rectangle is a rectangle that can 10 -1 Ratio Proportion and Similarity A Golden Rectangle is a rectangle that can](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-10.jpg)
10 -1 Ratio Proportion and Similarity A Golden Rectangle is a rectangle that can be divided into a square and a rectangle that is similar to the original rectangle. The ratio of the length of a Golden Rectangle to its width is called the Golden Ratio. D A F E C E F B C B GEOMETRY
![10 1 Ratio Proportion and Similarity A ratio can involve more than two numbers 10 -1 Ratio Proportion and Similarity A ratio can involve more than two numbers.](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-11.jpg)
10 -1 Ratio Proportion and Similarity A ratio can involve more than two numbers. For the rectangle, the ratio of the side lengths may be written as 3: 7: 3: 7. GEOMETRY
![10 1 Ratio Proportion and Similarity Example 2 Using Ratios The ratio of the 10 -1 Ratio Proportion and Similarity Example 2: Using Ratios The ratio of the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-12.jpg)
10 -1 Ratio Proportion and Similarity Example 2: Using Ratios The ratio of the side lengths of a triangle is 4: 7: 5, and its perimeter is 96 cm. What is the length of the shortest side? Let the side lengths be 4 x, 7 x, and 5 x. Then 4 x + 7 x + 5 x = 96. After like terms are combined, 16 x = 96. So x = 6. The length of the shortest side is 4 x = 4(6) = 24 cm. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 2 The ratio of the angle 10 -1 Ratio Proportion and Similarity TEACH! Example 2 The ratio of the angle](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-13.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 2 The ratio of the angle measures in a triangle is 1: 6: 13. What is the measure of each angle? 1 x + 6 x + 13 x = 180° 20 x = 180° x = 9° B = 6 x B = 6(9°) C = 13 x C = 13(9°) B = 54° C = 117° GEOMETRY
![10 1 Ratio Proportion and Similarity A proportion is an equation stating that two 10 -1 Ratio Proportion and Similarity -A proportion is an equation stating that two](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-14.jpg)
10 -1 Ratio Proportion and Similarity -A proportion is an equation stating that two ratios are equal. In the proportion, the values a and d are the extremes. -The values b and c are the means. - An extended proportion is when three or more ratios are equal, such as: GEOMETRY
![10 1 Ratio Proportion and Similarity In Algebra 1 you learned the Cross Products 10 -1 Ratio Proportion and Similarity In Algebra 1 you learned the Cross Products](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-15.jpg)
10 -1 Ratio Proportion and Similarity In Algebra 1 you learned the Cross Products Property. The product of the extremes ad and the product of the means bc are called the cross products. GEOMETRY
![10 1 Ratio Proportion and Similarity Reading Math The Cross Products Property can also 10 -1 Ratio Proportion and Similarity Reading Math The Cross Products Property can also](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-16.jpg)
10 -1 Ratio Proportion and Similarity Reading Math The Cross Products Property can also be stated as, “In a proportion, the product of the extremes is equal to the product of the means. ” GEOMETRY
![10 1 Ratio Proportion and Similarity Example 3 Solving Proportions Solve the proportion z 10 -1 Ratio Proportion and Similarity Example 3: Solving Proportions Solve the proportion. (z](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-17.jpg)
10 -1 Ratio Proportion and Similarity Example 3: Solving Proportions Solve the proportion. (z – 4)2 = 5(20) Cross Products Property (z – 4)2 = 100 Simplify. (z – 4) = 10 Find the square root of both sides. (z – 4) = 10 or (z – 4) = – 10 Rewrite as two eqns. z = 14 or z = – 6 Add 4 to both sides. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 3 A Solve the proportion 356 10 -1 Ratio Proportion and Similarity TEACH! Example 3 A Solve the proportion. 3(56)](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-18.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 3 A Solve the proportion. 3(56) = 8(x) 168 = 8 x x = 21 Cross Products Property Simplify. Divide both sides by 8. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 3 B Solve the proportion d2 10 -1 Ratio Proportion and Similarity TEACH! Example 3 B Solve the proportion. d(2)](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-19.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 3 B Solve the proportion. d(2) = 3(6) 2 d = 18 d=9 Cross Products Property Simplify. Divide both sides by 2. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 3 C Solve the proportion x 10 -1 Ratio Proportion and Similarity TEACH! Example 3 C Solve the proportion. (x](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-20.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 3 C Solve the proportion. (x + 3)2 = 4(9) Cross Products Property (x + 3)2 = 36 Simplify. (x + 3) = 6 Find the square root of both sides. (x + 3) = 6 or (x + 3) = – 6 x = 3 or x = – 9 Rewrite as two eqns. Subtract 3 from both sides. GEOMETRY
![10 1 Ratio Proportion and Similarity The following table shows equivalent forms of the 10 -1 Ratio Proportion and Similarity The following table shows equivalent forms of the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-21.jpg)
10 -1 Ratio Proportion and Similarity The following table shows equivalent forms of the Cross Products Property. GEOMETRY
![10 1 Ratio Proportion and Similarity Example 4 Using Properties of Proportions Given that 10 -1 Ratio Proportion and Similarity Example 4: Using Properties of Proportions Given that](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-22.jpg)
10 -1 Ratio Proportion and Similarity Example 4: Using Properties of Proportions Given that 18 c = 24 d, find the ratio of d to c in simplest form. 18 c = 24 d Divide both sides by 24 c. Simplify. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 4 Given that 16 s 10 -1 Ratio Proportion and Similarity TEACH! Example 4 Given that 16 s =](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-23.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 4 Given that 16 s = 20 t, find the ratio t: s in simplest form. 16 s = 20 t Divide both sides by 20 s. Simplify. GEOMETRY
![10 1 Ratio Proportion and Similarity Example 5 ProblemSolving Application Martha is making a 10 -1 Ratio Proportion and Similarity Example 5: Problem-Solving Application Martha is making a](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-24.jpg)
10 -1 Ratio Proportion and Similarity Example 5: Problem-Solving Application Martha is making a scale drawing of her bedroom. Her rectangular room is long. feet wide and 15 feet On the scale drawing, the width of her room is 5 inches. What is the length? 1 Understand the Problem The answer will be the length of the room on the scale drawing. GEOMETRY
![10 1 Ratio Proportion and Similarity Example 5 Continued 2 Make a Plan Let 10 -1 Ratio Proportion and Similarity Example 5 Continued 2 Make a Plan Let](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-25.jpg)
10 -1 Ratio Proportion and Similarity Example 5 Continued 2 Make a Plan Let x be the length of the room on the scale drawing. Write a proportion that compares the ratios of the width to the length. GEOMETRY
![10 1 Ratio Proportion and Similarity Example 5 Continued 3 Solve 515 x12 10 -1 Ratio Proportion and Similarity Example 5 Continued 3 Solve 5(15) = x(12.](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-26.jpg)
10 -1 Ratio Proportion and Similarity Example 5 Continued 3 Solve 5(15) = x(12. 5) 75 = 12. 5 x x=6 Cross Products Property Simplify. Divide both sides by 12. 5. The length of the room on the scale drawing is 6 inches. GEOMETRY
![10 1 Ratio Proportion and Similarity Example 5 Continued 4 Look Back Check the 10 -1 Ratio Proportion and Similarity Example 5 Continued 4 Look Back Check the](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-27.jpg)
10 -1 Ratio Proportion and Similarity Example 5 Continued 4 Look Back Check the answer in the original problem. The ratio of the width to the length of the actual room is 12 : 15, or 5: 6. The ratio of the width to the length in the scale drawing is also 5: 6. So the ratios are equal, and the answer is correct. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 5 Suppose the specialeffects team of 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Suppose the special-effects team of](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-28.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 5 Suppose the special-effects team of “Lord of The Ring” made a model with a height of 9. 2 ft and a width of 6 ft. What is the height of the tower presented in the movie if the scale proportion is 1: 166? 1 Understand the Problem The answer will be the height of the tower. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 5 Continued 2 Make a Plan 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 2 Make a Plan](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-29.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 2 Make a Plan Let x be the height of the tower. Write a proportion that compares the ratios of the height to the width. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 5 Continued 3 Solve 9 2996 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 3 Solve 9. 2(996)](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-30.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 3 Solve 9. 2(996) = 6(x) Cross Products Property 9163. 2 = 6 x Simplify. 1527. 2 = x Divide both sides by 6. The height of the actual tower is 1527. 2 feet. GEOMETRY
![10 1 Ratio Proportion and Similarity TEACH Example 5 Continued 4 Look Back Check 10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 4 Look Back Check](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-31.jpg)
10 -1 Ratio Proportion and Similarity TEACH! Example 5 Continued 4 Look Back Check the answer in the original problem. The ratio of the height to the width of the model is 9. 2: 6. The ratio of the height to the width of the tower is 1527. 2: 996, or 9. 2: 6. So the ratios are equal, and the answer is correct. GEOMETRY
![10 1 Ratio Proportion and Similarity Lesson Quiz 1 The ratio of the angle 10 -1 Ratio Proportion and Similarity Lesson Quiz 1. The ratio of the angle](https://slidetodoc.com/presentation_image/797be50730a3d2cfb402ae6bcaeb09b7/image-32.jpg)
10 -1 Ratio Proportion and Similarity Lesson Quiz 1. The ratio of the angle measures in a triangle is 1: 5: 6. What is the measure of each angle? 15°, 75°, 90° Solve each proportion. 2. X=3 3. 7 or – 7 4. Given that 14 a = 35 b, find the ratio of a to b in simplest form. 5. An apartment building is 90 ft tall and 55 ft wide. If a scale model of this building is 11 in. wide, how tall is the scale model of the building? 18 in. GEOMETRY
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