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Mathematics 90 Online
OpenStudy (anonymous):

Given a triangle with b = 4, c = 10, and A = 84º, what is the length of a? Round to the nearest tenth. Find the area of the triangle with a = 11.8, b = 12.6, c = 14.8. Round to the nearest tenth.

OpenStudy (anonymous):

|dw:1352577461422:dw|Right?

OpenStudy (anonymous):

Hint: start by using the law of cosines, if you know what that is.

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