Calc H/w Help please

Question

A plane flying at an altitude of 11,000 feet begins descending at a constant rate when the beginning of the runway is 60,000 feet from a point on the ground directly below the plane. Find the measure of the angle of descent (depression) to the nearest degree. Assume the airplane lands right at the beginning of the runway.

The angle of descent is___________  degrees.

A small radio transmitter broadcasts in a 63 mile radius. If you drive along a straight line from a city 81 miles north of the transmitter to a second city 75 miles east of the transmitter, during how much of the drive will you pick up a signal from the transmitter?

_____________miles

 

Answer 1

The tangent of the angle of descent is 60/11....about 80°