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Precalculus
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OpenStudy (anonymous):
A parallelogram has sides of 30 and 48 and an angle of 40degrees. Find the lengths of the diagonals? I need the short diagonal and longer diagonal.
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OpenStudy (anonymous):
|dw:1363927446918:dw| length of diagonal = sqrt(a^2 + b^2 + 2abcosx),where x is the angle between a and b
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