Question

To approach a runway, a plane must began a 7 degree descent starting from the height of 2 miles above the ground. To the nearest mile, how many miles from the runway is the airplane at the start of this approach?

Answer 1

draw a diagram. If the required distance is d,

2/d = tan7°
d = 16.3 miles

Answer 2

77y

Answer 3

it would approximately be 16