Question

Peter is trying to get his cat out of a tree in his backyard. The cat is 12 feet above the ground, and Peter has to put the base of his ladder 9 feet away from the tree because of mud. How long does the ladder need to be in order to reach the cat?

Answer 1

15 ft

Explanation:

12^2 + 9^2 = c^2

144 + 81 = c^2

225 = c^2

c = 15