Question 308807
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You didn't say that this is a right triangle, or isosceles, or give any other clue.  With only the measure of one side and one angle, you cannot solve the triangle -- there are an infinite number of triangles that have an angle that measures 80 degrees and the side opposite measures 9.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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