a cat is stuck 15 feet up in a tree.to get it down,you will place a ladder 5 feet from the base of the tree.how tall must your ladder be in order to reach the cat? Round to the nearest foot

2 answers

This calls for the Pythagorean Theorem.

a^2 + b^2 = c^2

15^2 + 5^2 = c^2
15