Question

An airplane over the Pacific Ocean sights an atoll at an 7° angle of depression. If the plane is 663 m above the water, how many kilometers is it from a point 663 m directly above the atoll?

A. 5399.7 km

B. 5.4 km

C. 81.41 km

D. 760.8 km

Answer 1

draw a picture and include the information



find x using the tan ratio. The answer will be in metres so divide by 1000 to get an answer in kilometres

Answer 2

What is the tan ratio?

Answer 3

tan(a) = opp/adj

Answer 4

663 is opp, correct?

Answer 5

thats correct