+0  
 
+3
32
2
avatar+427 

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
 #1
avatar+15291 
+2

The ladder is the hypotenuse of a right triangle 

 

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

 
 Jan 7, 2019
 #2
avatar+3715 
+2

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

 
 Jan 8, 2019

7 Online Users

New Privacy Policy

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