Question

Thomas leans a 20 foot long ladder against his house to climb on the roof. He placed the base of the ladder 12 feet away from the wall. How tall is the lowest point on the roof

Answer 1

The ladder reaches 16 feet up the wall

Explanation:

Answer 2

16 feet

Explanation:

a^2 + 12^2= 20^2

a^2+ 144= 400

a^2= 256

`√(256)` = a

a=16