SOLUTION: Before Apollo 11 landed on the moon, it completed an orbit at a distance of 3 miles from the surface. At one point along this trajectory, the onboard guidance system measured depre

Question 1177768: Before Apollo 11 landed on the moon, it completed an orbit at a distance of 3 miles from the surface. At one point along this trajectory, the onboard guidance system measured depression angles to opposite edges of a large crater. If the angle measures were 25° and 18°, find the distance between the edges of the crater.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
tan

.
tan25 = 3/y
y=3/tan 25
x+y = 3 /tan 18
y= 3/tan18 -x
3/tan 18-x =3/ tan 25
x= 3/tan 18 - 3/tan 25
=9.37 - 6.38 = 2.95 miles
distance between the edges of the crater=2.95 miles
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