Question

If you place a 23-foot ladder against the top of a building and the bottom of the ladder is 11 feet from the bottom of the building, how tall is the building? Round to the nearest tenth of a foot. PLEASE HURRY

Answer 1

Answer: 20.2

Step-by-step explanation: I put that in and it was right

Answer 2

Answer:20.2

Explanation:

a^2+(11)^2 =23^2 a^2 +121=529

a^2=408 a=20.199009…

a=20.2