Posted by **Ashley** on Monday, November 22, 2010 at 9:24pm.

In traveling across flat land, you notice a mountain in front of you. Its angle of elevation to the peak is 3.5 degrees. After you drive 13 miles closer to the mountain, the angle of elevation is 9 degrees. Approximate the height of the mountain.

- Math -
**MathMate**, Monday, November 22, 2010 at 11:31pm
See:

http://www.jiskha.com/display.cgi?id=1290465794

- Math -
**Anonymous**, Tuesday, October 2, 2012 at 2:06pm
a= 13 tan(3.5) h= the height of the mon.

h= 13 tan(9)-a

h=13 tan(9)-13tan(3.5)

h=1.264 feet

- PreCalc -
**Yurinator**, Thursday, December 17, 2015 at 10:08pm
you place the coefficient of the radical in the power. Then you divide by 13 and multiply by (tan(9)xtan(3.5)). Then you put the x into the equation to find the height of the mountain

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