Question

Person is 75 feet from a hot air balloon.

The balloon goes straight up in the air.
The angle of elevation is 45°.
How high is the balloon?

Answer 1

75 feet

Explanation:

This is a right triangle because the balloon went straight up. The other angle being 45 means it is an isosceles right triangle. This means the legs are the same length. Since the person is 75 feet away, the balloon is 75 feet up.