SOLUTION: The diagonals of a parallelogram are 12 meters and 20 meters and intersect at an angle of 60°. Find the length of the longer side.
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Question 1073303: The diagonals of a parallelogram are 12 meters and 20 meters and intersect at an angle of 60°. Find the length of the longer side.
Answer by ikleyn(52810) (Show Source): You can put this solution on YOUR website!
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Take the halves of the diagonals and apply the Cosine Law Theorem.
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