Posted by **Anonymous** on Tuesday, February 1, 2011 at 11:45pm.

a plane is one mile above sea level when it begins to climb at a constant angle of 3 degrees for the next 60 ground miles. about how far above sea level is the plane after its climb

- geometry -
**helper**, Wednesday, February 2, 2011 at 1:25pm
You need to draw right triangle ABC.

Angle A (vertex angle) = 3 deg

side b (base) = 60 mi

side c = hypotenuse

side a (distance of climb) = unknown

tan A = op/hyp = a/b = a/60

tan 3 = a/60

0.0524 = a/60

60(0.0524) = a

3.144 mi = a

So the plane climbed 3.144 miles

To find how far above sea level after the climb,

1 mile + 3.144 miles = 4.144 miles above sea level

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