Question

Mohal leans a 20-foot ladder against a wall so that it forms an angle of 72° with the

ground. How high up the wall does the ladder reach? Round your answer to the

nearest tenth of a foot if necessary.

Answer 1

sin(72°)=x÷20ft.

sin(72°)×20ft.= 19ft 252 inches

the ladder reach 19ft 252 inches tall on the building.

Explanation: