February 25, 2017

Homework Help: trig

Posted by Barb on Wednesday, November 28, 2012 at 11:43pm.

angles of elevation to an airplane are measured from the top and the base of a building that is 40 m tall. The angle from the top of the building is 31°, and the angle from the base of the building is 40°. Find the altitude of the airplane. (Round your answer to two decimal places.)

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