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Pythagorean Theorem Practice, Practice, Practice!.

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Presentation on theme: "Pythagorean Theorem Practice, Practice, Practice!."— Presentation transcript:

1 Pythagorean Theorem Practice, Practice, Practice!

2 Practice, Practice, Practice!

3 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 = c2 = c2 100 = c2 10 = c 6 feet The length of the ladder is 10 feet.

4 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.

5 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 = c2 = c2 225 = c2 15 = c The length of the road is 15 miles.

6 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 = c2 = c2 50 = c2 The hypotenuse is 𝟓𝟎 inches long. It is between 7 and 8 inches, and ≈7.1 inches.

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