Posted by Sara on Sunday, April 15, 2012 at 10:53am.
You measure the angle of elevation from the ground to the top of a building as 32 degrees.When you move 50 meters closer to the building,the angle of elevation is 53 degrees. How high is the building?
An airplane is flying at an altitude of 31,000 feet when it begins its descent for landing.If the runway is 104 miles away,at what angle does the airplane descend?
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