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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