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January 31, 2015

January 31, 2015

Posted by **Joy** on Wednesday, October 5, 2011 at 8:43pm.

- Pre-Calculus -
**drwls**, Wednesday, October 5, 2011 at 8:51pmThe tree height is 25 tan32 = 15.6 feet

To the nearest foot, that would be 16.

I assume you are familiar with the tangent of an angle.

- Pre-Calculus -
**Ashley**, Wednesday, October 5, 2011 at 8:54pmIt'll help you sove this if you draw a picture.(Not the greatest below but you get the idea)

.|

. |

. |

. |x

. |

._____________|

25ft

The 32 degrees should go in the bottom left corner of the triangle. To solve for x, you would use tangent. The problem would be set up as tan(32)=x/25

Then, mulitply both sides by 25 to get x by itself so you have:

25tan(32)=x

When you plug this into a calculator, you get 16.525, so the tree is about 17ft tall

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