Question

The bottom of the ladder is 5 feet tall from the wall. the ladder is 13 feet long. about how high is the wall?

Answer 1

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

Answer 2

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Answer 3

You're very welcome.