Question

a 12 foot-ladder is resting against a wall. the base of the ladder is 3.5 feet from the base of the wall. how high up the wall will the ladder reach? round your answer to the nearest tenth.

Answer 1

`\sqrt{ {12}^(2) - {3.5}^(2) } = √(131.75) = 11.5`

The ladder will reach about 11.5 feet up the wall.