A granular substance, such as sand, naturally settles into a cone shaped pile when poured from a small aperture. Its height depends on the humidity and adhesion between granules. The angle of elevation Ө of a pile is called the angle of repose. Suppose the height of a pile of sand is 15 feet and its diameter is 52 feet. What is the angle of repose?
I'm especially bad with word problems. Dx So, I made a depiction of the scenario and was wondering if it matched with the problem. Is the green angle I drew the angle of repose?
http://oi40.tinypic.com/b8mzoi.jpg

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yeah, think you got it dude
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