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

Answer:

63.6 feet

Step-by-step explanation:

• $sin (45)=\frac{x}{90}$
• $x=90 sin (45)$
• $x=45\sqrt{2}$
• x = 63.6 feet