Sighting from a helicopter A helicopter hovers at an altitude that is 1000 feet above a mountain peak of altitude 5210 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?.

(a) Approximate the distance from peak to peak.

(b) Approximate the altitude of the taller peak.

1000' 43 18