+0  
 
0
58
1
avatar

A ladder that is 20 feet long leans against the side of a house. The angle of elevation of the ladder is 85°. Find the height from the top of the ladder to the ground.

Guest Feb 21, 2017
Sort: 

1+0 Answers

 #1
avatar+4155 
+5

The wall, ladder and ground form a right triangle. The hypotenuse is the ladder, which is 20 ft.

sin85°= x/20

20sin85°=x

x ≈ 19.924 ft.

hectictar  Feb 21, 2017

9 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details