Question

A helicopter hovers at an altitude that is a feet above a mountain peak of altitude 5450 feet, as shown in the figure. A second, taller peak is viewed from both the mountaintop and the helicopter. From the helicopter, the angle of depression is 43°, and from the mountaintop, the angle of elevation is 18°. Approximate the distance from peak to peak, if a = 940. (Round your answer to the nearest whole number.)

Answer 1

Do you have a figure?

Answer 2

yes

Answer 3

Do you follow so far how I got those angles?

Answer 4

Now you can find the measure of the third angle, and use the law of sines to find x.

Answer 5

yes, thank you so much!

Answer 6

what would change if the altitude was only 5350?