Posted by **Alex** on Monday, August 27, 2012 at 5:51pm.

A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?

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**Charrice**, Monday, August 27, 2012 at 11:03pm
(1) draw a right triangle.

(2) base = 100.0 m

(3) height = 31.4 m

(4) determine the angle (theta) between the base and the hypothenuse of the triangle.

Use tan theta = opposite side/adjacent side. don't forget to inverse tan.

- Physics -
**Anonymous**, Tuesday, August 28, 2012 at 12:05pm
jmkjkgdigj fjklfkl;j

- Physics -
**Latrice**, Thursday, August 30, 2012 at 5:50pm
How do you find the net force and its direction of the diagrams

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