February 24, 2017

Homework Help: Trig

Posted by Anonymous on Wednesday, October 17, 2012 at 9:33pm.

a person who eyes are 5 feet above the ground observes the top of a building to have an angle of elevation of 40 degree. The person walks 100 feet closer to the building and observes that the top of the building now has an angle of elevation of 65 degree. How high is the building?

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