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August 20, 2014

August 20, 2014

Posted by **Sara** on Sunday, April 15, 2012 at 10:53am.

- trig -
**Sara**, Sunday, April 15, 2012 at 10:54amYou 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?

- trig -
**Sara**, Sunday, April 15, 2012 at 10:56amAn 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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