Posted by **Jason** on Sunday, August 21, 2011 at 10:34pm.

A ramp 10 feet in length rises to a loading Platform that is 4 feet off the ground. What is the angle of elevation of the ramp in degrees?

Do I use the law of cosines? When I do though I'm getting a little confused what to do.

- math -
**Damon**, Sunday, August 21, 2011 at 10:36pm
No, it is a right triangle

sin angle = 4/10

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**Jason**, Sunday, August 21, 2011 at 11:43pm
I tried that and it said that it was the wrong answer.

- math -
**Damon**, Monday, August 22, 2011 at 10:25am
Well I get 23.58 degrees.

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