To calculate the height h reached by a model rocket, you move 100 feet from the lauch point and record the angle of elevation 0 to the rocket at its highest point. The values of 0 for three flights are given below. Find the rocket's height to the nearest foot for the given 0 in each flight.

1. 0=77*
2. 0=81*
3. 0=83*

*= degree symbol

Answer choices

A) 12 ft
B) 433 ft
C) 814 ft
D) 23 ft
E) 631 ft
F) 16 ft

Question

To calculate the height h reached by a model rocket, you move 100 feet from the lauch point and record the angle of elevation 0 to the rocket at its highest point. The values of 0 for three flights are given below. Find the rocket's height to the nearest foot for the given 0 in each flight.

1. 0=77* 
2. 0=81* 
3. 0=83*

*= degree symbol

Answer choices

A) 12 ft 
B) 433 ft
C) 814 ft 
D) 23 ft
E) 631 ft 
F) 16 ft

anonymous · Answer

tan 77 = h/1oo
h = 100tan77
   = 433 ft
B

anonymous · Answer

the other two can be done in the same way

anonymous · Answer

do u fel confident enough to do that?

anonymous · Answer

yes. i got it .:) thank you!