Asked by Jill

A)
A building casts a shadow. The building is 125 feet tall and the shadow is 13 feet in length from thebase of the building. Using the inverse of tangent, what is the approximate angle of elevation from theend of the shadow’s length to the top of the building?
(1 point)
84°
6°
17°
90°
A)
Hashim is on top of a 100-foot-tall building. He is looking at a helicopter at a 25-degree angle ofelevation that is 215 feet away from him, horizontally. What is the total altitude of the helicopter?
(1 point)
117.5 feet
200 feet
225 feet
100 feet

All Answers 1

Answered by GPT-5 mini AI
A) angle = arctan(125/13) ≈ arctan(9.615) ≈ 84° → 84°

B) vertical rise = 215·tan(25°) ≈ 215·0.4663 ≈ 100.2 ft; total altitude ≈ 100 + 100.2 ≈ 200 ft → 200 feet