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Looking For Pythagoras

Looking For Pythagoras. Practice, Practice, Practice!. Practice the Pythagorean Theorem. The base of a ladder is placed 6 feet from a wall. If the top of the ladder rests 8 feet up on the wall, how long is the ladder?. ? feet. 8 feet. a 2 + b 2 = c 2 8 2 + 6 2 = c 2 64 + 36 = c 2

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Looking For Pythagoras

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  1. Looking For Pythagoras • Practice, Practice, Practice!

  2. Practice the Pythagorean Theorem • The base of a ladder is placed 6 feet from a wall. If the top of the ladder rests 8 feet up on the wall, how long is the ladder? ? feet 8 feet a2 + b2 = c2 82 + 62 = c2 64 + 36 = c2 100 = c2 10 = c 6 feet The length of the ladder is 10 feet.

  3. Practice the Pythagorean Theorem • Donna's TV screen is 20 inches long. If the diagonal measures 25 inches, how long is the width of Donna's TV? ? inches 25 inches 20 inches a2 + b2 = c2 202 + b2 = 252 400 + b2 = 625 b2 = 225 b = 15 The width of the TV is 15 inches.

  4. Practice the Pythagorean Theorem • Town A is 9 miles north of Town B.Town C is 12 miles east of Town A.A road connects towns B and C directly. Find the length of this road. Town C Town A 12 miles 9 miles ? miles Town B a2 + b2 = c2 92 + 122 = c2 81 + 144= c2 225 = c2 15 = c The length of the road is 15 miles.

  5. Practice the Pythagorean Theorem • If the legs of an isosceles right triangle are 5 inches long, find the length of the hypotenuse. 5 inches 5 inches ? inches a2 + b2 = c2 52 + 52 = c2 25 + 25= c2 50 = c2

  6. Your Assignment! “The Pythagorean Theorem wkst”

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