Congruent angles of parallel lines cut by a
Congruent angles of parallel lines cut by a transversal 1 3 2 4 5 6 7 8 ALTERNATE INTERIOR ANGLES 3 6 and 4 5 1 3 2 1 4 3 5 2 4 6 5 6 7 8 7 VERTICAL ANGLES CORRESPONDING ANGLES 1 4, 2 3 1 5, 2 6, 3 7, 5 8, and 6 7 8 and 4 8 * Cutting and sliding on top will give you corresponding angles
Congruent angles with parallel lines 1 5 8 4 6 1 2 4 3 7 6 5 8 2 3 7 ALTERNATE INTERIOR ANGLES VERTICAL ANGLES < 4 < 6, <3 <5 <1 < 3 CORRESPONDIN G ANGLES LOOK FOR THE “ F “ s: Regular, Upside. Down, or Backwards
Complementary Angles • You only get a compliment when you get a 90 on your math test • Two angles whose sum is = to 90 o a + b = 90 a b
Congruent angles with parallel lines 1 5 8 4 6 1 2 4 3 7 6 5 8 2 3 7 ALTERNATE INTERIOR ANGLES VERTICAL ANGLES < 4 < 6, <3 <5 <1 < 3 CORRESPONDIN G ANGLES LOOK FOR THE “ F “ s: Regular, Upside. Down, or Backwards
Pe RIM -et er
Cherry Pies Delicious • Circumference = • x Diameter = Circumference Diameter
A R E A
Complementary Angles • You only get a compliment when you get a 90 on your math test • Two angles whose sum is = to 90 o • a b
Parallelogram • The h or height looks like a chair 9 The chair has to sit flat on the floor so as not to tip over 8 • A = bh 7 • Find the area of the shape on the right
Congruent angles with parallel lines 8 6 7 c 7 3 C 5 c 8 2 4 6 5 C 3 4 1 2 1 c C ALTERNATE INTERIOR ANGLES VERTICAL ANGLES CORRESPONDING ANGLES < 4 < 6, <3 <5 <1 < 3 LOOK FOR THE SMALL C’S AND THE LARGE C’S 5 1 2 7
Pythagorean Theorem Right On with Right Triangles hypotenuse 5 3 hypotenuse 10 6 4 a 2 + b 2 = c 2 32 + 42 = 52 9 + 16 = 25 25 = 25 8 a 2 + b 2 = c 2 62 + 82 = 102 36 + 64 = 100
Sin = Opposite Cosine Soh Hypotenuse Angle a Cos = Cah Hypotenuse Angle a Adjacent Tangent Tan = Toa Opposite Angle a Adjacent
Special Quadrilateral Family ________ ____________
Pe RIM e + er • Explain what is meant by perimeter. _____________________ _ • Give some possible dimensions of a yard with a perimeter of 10. • _____________________ _______
Rectangle • Area = base X height A= bh Name some rectangles with areas of 80 _____________________
ROTATION E 45 180 0 315 E 270 E E 225 E E 135 90 E E
TRANSLATION After Before
M M Reflection
Volume of a circle • Volume • paint the bottom of the can • Find the area of circle R 2 • Multiply by the height R 2
Volume of a Prism • Find the area of the bottom l w • Multiply by the height • l w h Paint the bottom of the box
- Slides: 31