Homework Help: Math

Posted by Jason on Saturday, August 20, 2011 at 10:33pm.

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, Saturday, August 20, 2011 at 10:51pm
sine = opposite/hypotenuse

sin (angle) = 0.4
Math - KOSURU.KARUNAKAR, Saturday, August 20, 2011 at 11:50pm
PERIMETER=2(L+B)
=
2(63+42)
=210
TOTAL COST=210*32
=672
Math - sara, Sunday, August 21, 2011 at 10:33pm
.4 is not the right answer.

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