Question

An 85-foot rope from the top of a tree house to the ground forms a 45 degree angle of elevation from the ground. How high is the top of the tree house?

Answer 1

(about) 61.1

Explanation:

To find the height, or H, we can use

sin (45 degree angle) =H/85

rearrange as H=85* sin (45 degrees) =(about) 61.1