Asked by jenny

The bottom of the ladder is 5 feet tall from the wall. the ladder is 13 feet long. about how high is the wall?
Answered by Ms. Sue
Time for the Pythagorean theorem since you're looking at a right-angle triangle.

a^2 + b^2 = c^2

5^2 + b^2 = 13^2

25 + b^2 = 169

b^2 = 169 - 25

b^2 = 144

b = 12

Answered by jenny
THANCK YOU SO MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answered by Ms. Sue
You're very welcome.

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