Round answers to the nearest unit?

Question

The angle of elevation from a boat to the top of a lighthouse is 35°. The lighthouse is 96 ft tall. How far from the base of the lighthouse is the boat?

7 ft

137 ft

167 ft

6 ft

Ming launched a model rocket from 20 m away. The rocket traveled straight up. Ming saw it peak at an angle of 70°. If she is 1.5 m tall, how high did the rocket fly? (1 point)

55 m

2 m

20 m

57 m

3. An airplane is flying 2.5 mi above the ground. If the pilot must begin a 3° descent to an airport runway at that altitude, how far is the airplane from the beginning of the runway (in ground distance)?

48 mi

47 mi

5 mi

8 mi

Answer 1

137ft, 57m, 48mi