Question

To reach a window, you need a ladder to go up 16 feet on the side of your house. You

set the bottom of the ladder 4 feet from your house. Which choice is closest to the
shortest ladder you can use to reach the window?

possible solutions:
1. 20 feet 2. 4.5 feet

3. 272 feet 4. 16.5 feet

Answer 1

4. 16.5

Explanation:

You solve for the hypotenuse

a^2+b^2=c^2

16^2+4^2=c^2

256+16= the square root of 272

16.5