Posted by **Abbey** on Tuesday, November 4, 2008 at 10:00pm.

A ladder is leaning against a house and is forming a 60 degree angle with the ground. If the top of the ladder is 18 feet off of the ground, how long is the ladder? Leave your answer in exact form.

- math(Please help!!!) -
**mellissa**, Tuesday, November 4, 2008 at 10:08pm
i dont know

- math(Please help!!!) -
**Damon**, Tuesday, November 4, 2008 at 10:18pm
sin 60 = opposite/hypotenuse

opposite is 18

solve for hypotenuse

- math(Please help!!!) -
**regina**, Tuesday, November 4, 2008 at 11:32pm
ummm sorry

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**Gigglesz**, Sunday, March 7, 2010 at 5:34pm
the answer would be 20.78 but i dont know how to put that in exact form...sorry

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**Justina**, Friday, October 5, 2012 at 4:38pm
Ha you must be grade 8 cause I got it my text book oh in back it says 4 m

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**taylor**, Wednesday, December 18, 2013 at 7:51pm
i d k

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**julio**, Monday, December 8, 2014 at 4:41pm
sin 60 degrees. 18/hyp

x.sin 60=0.8660

18.(0.8660)=x

15.588m = x

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