Question

Suppose a tree casts a shadow of length 60 feet. If the distance from the top of the tree to the end of the shadow is 80 feet, what is the angle of elevation from the shadow to the top of the tree? Round to the nearest thousandth.

Answer 1

Answer: a = 41.410°

Explanation:

cos a = 60/80

acos(60/80) = 41.410°