We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.

A 20 ft ladder is placed next to a building. The ladder forms a 72° angle with the ground. How far is base of the ladder from the base of the building? Round your answer to the nearest tenth of a foot. Show your work.

 Jan 7, 2019

The ladder is the hypotenuse of a right triangle 


20 cos (72) = 6.18 ft ~~ 6.2 ft

 Jan 7, 2019

Imagine a right triangle: We have adjacent/hypotenuse, so 20 cos 72 approx 6.2! Like what EP had said!

 Jan 8, 2019

10 Online Users