A surveyor measures the angle of elevation to a point on a mountain to be 18 degrees. The point on the mountain is horizontally 4 miles away from the surveyor. The vertical change in elevation from the point where the surveyor is standing to the point on the mountain is _ miles.

Question

A surveyor measures the angle of elevation to a point on a mountain to be 18 degrees. The point on the mountain is horizontally 4 miles away from the surveyor.  The vertical change in elevation from the point where the surveyor is standing to the point on the mountain is _ miles.

abbles · Answer

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Is this what the question would look like?  I'm kind of confused about which angle is 18 degrees.