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OpenStudy (anonymous):
Calculate the area of the triangle shown
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OpenStudy (anonymous):
|dw:1362356239089:dw|
OpenStudy (anonymous):
first use the law of cosines to find the last side: http://en.wikipedia.org/wiki/Law_of_cosines then use herons formula to find the area of the triangle: http://en.wikipedia.org/wiki/Heron's_formula
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