Question

A 90-foot rope from the top of a tree house to the ground forms a 45° angle of elevation from the ground. How high is the top of

the tree house? Round your answer to the nearest tenth of a foot.

Answer 1

63.6 feet

Explanation:

• 
  `sin (45)=(x)/(90)`
• 
  `x=90 sin (45)`
• 
  `x=45√(2)`
• x = 63.6 feet