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Mathematics 11 Online
OpenStudy (anonymous):

Pre-Calculus: From a point on the north rim of the grand canyon, a surveyor measures an angle of depression of 1.3 degrees to a point on the south rim. From an aerial photograph she determines that the horizontal distance between the two points is 19 miles. How many feet is the South Rim below the North Rim.

OpenStudy (anonymous):

I know the answer is 1198 feet but I have no idea how to get that.

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