Quadrilaterals II Geometry Unit 6 Quadrilateral Family parallelogram
- Slides: 28
Quadrilaterals II Geometry – Unit 6
Quadrilateral Family parallelogram trapezoid rhombus rectangle square
Definition • Perimeter – (P) The distance around a figure. 9 in. 5 in. 9 in. 5 9 5 in. 5 +9 28 in.
Find the perimeter 9 cm. 9 9 cm. 9 9 +9 36 cm. 9 cm. A shortcut for the square is 4 x side.
Find the perimeter 7 cm. 9 cm. 7 cm. 9 9 cm. 7 9 +7 36 cm.
Find the perimeter 10 ft. 6 ft. 10 10 ft. 6 10 + 10 36 ft.
Find the perimeter 18 m. 12 m. 11 m. 12 15 m. 11 15 + 18 56 m.
Definition • Area – (A) the measure, in square units, of the surface of a figure. The area of this rectangle is 8 squares.
How to find the area of a square or rectangle. Step 1 – Multiply the length times the width. (A = l x w) 3 cm. 5 cm. 5 x 3 15
How to find the area of a square or rectangle. Step 2 – Indicate that the answer is in square centimeters by writing the exponent 2 after the unit of measure. 3 cm. 5 cm. 5 x 3 2 15 cm.
How to find the area of a square or rectangle. Step 3 – Read the answer: 15 square centimeters. 3 cm. 5 cm. 5 x 3 2 15 cm.
What is the area? 5 ft. 5 x 6 2 30 ft. 6 ft. You say: 30 square feet.
What is the area? 2 in. 6 in. 2 x 6 2 12 in. You say: 12 square inches.
What is the area? 7 x 4 2 28 m. 4 m. 7 m. You say: 28 square meters.
How to find the area of a parallelogram Step 1 – Multiply the base times the height. (A = b x h) height 90º base
How to find the area of a parallelogram Step 1 – Multiply the base times the 2 height. (A = b x h) height 13 in. 90º base 17 in. 13 x 17 91 +13 221
How to find the area of a parallelogram Step 2 – Indicate that the answer is in square inches by writing the exponent 2 after the unit of measure. 13 x 17 height 91 13 in. 90º + 13 base 17 in. 221 in. 2
How to check the area of a parallelogram height 2 cm. 90º base 4 cm, 4 x 2 = 8 cm. 2 First find the area.
How to check the area of a parallelogram 4 x 2 = 8 cm. 2 height 2 cm. 90º base 4 cm, Cut off the piece at the dotted line.
How to check the area of a parallelogram 4 x 2 = 8 cm. 2 height 2 cm. 90º base 4 cm, Cut off the piece at the dotted line.
How to check the area of a parallelogram 4 x 2 = 8 cm. 2 height 2 cm. 90º base 4 cm, Move this piece to the other side.
How to check the area of a parallelogram 4 x 2 = 8 cm. 2 height 2 cm. 90º base 4 cm, Move this piece to the other side.
How to check the area of a parallelogram 4 x 2 = 8 cm. 2 height 2 cm. 90º base 4 cm, Now you have a rectangle 4 x 2 cm.
How to check the area of a parallelogram 4 x 2 = 8 cm. 2 width 2 cm. length 4 cm, What is the area of this rectangle?
How to check the area of a parallelogram 4 x 2 = 8 cm. 2 width 2 cm. length 4 cm, That’s right! 8 cm 2 The same as the parallelogram.
What is the area of this parallelogram? height 5 cm. 5 x 7 2 35 cm. base 7 cm. You say: 35 square centimeters
What is the area of this parallelogram? height 5 ft. 5 x 6 2 30 ft. base 6 ft. You say: 30 square feet.
What is the area of this parallelogram? height 10 m. 10 x 5 2 50 m. base 5 m. You say: 50 square meters.