SOLUTION: 2 PLANES HAVE LEFT THE LA AIRPORT. ONE PLANE IS 70 MILES WEST OF THE AIRPORT AND HAS AN ALTITUDE OF 8 MILES. WHILE THE OTHER PLANE IS 20 MILES EAST OF THE AIRPORT AND HAS AN ALTITU

Question 958229: 2 PLANES HAVE LEFT THE LA AIRPORT. ONE PLANE IS 70 MILES WEST OF THE AIRPORT AND HAS AN ALTITUDE OF 8 MILES. WHILE THE OTHER PLANE IS 20 MILES EAST OF THE AIRPORT AND HAS AN ALTITUDE OF 2 MILES. WHAT IS THE DISTANCE BETWEEN PLANES?
Answer by LinnW(1048) (Show Source): You can put this solution on YOUR website!
along the ground, the distance to points below each plane is 70 + 20 , or 90 miles.
Since one plane is 2 miles high and the other is 8 miles high, the distance between the planes is the hypotenuse of a triangle with height of 6 miles
and a base of 90 miles.
If c is the distance between the planes,

c = 90.199 miles
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