How far will it reach

Question

if you have a 20 ft ladder and set it 5 feet from the base of the tree how far up would the ladder.

This is tanner i would also love if you would show me how to do it my teacher isn't the best at teaching me she just gives me answers and no explanation.

Answer 1

Draw and label a diagram.

h represents the height of the ladder on the wall

20² = 5² + h²

This is the Pythagorean Theorem.

Can you solve for h and answer?