Question

Bob wants to fix the window on his house, but can’t quite reach it he gets a ladder to access the window, which is 15 feet from the ground, and he places the ladder 8 feet from the house. How long does the ladder have to be if it reaches the window exactly?

Answer 1

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Answer 2

17 feet

Explanation:

15^2 + 8^2 = c^2
15^2 + 8^2 = 289

square root of 289 is 17