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Rhombus ABCD has perimeter 148, and one of its diagonals has length 20. How long is the other diagonal?

 Dec 4, 2020
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Rhombus ABCD has a perimeter of 148, and one of its diagonals has a length of 20. How long is the other diagonal?

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d = 2{ sqrt [(148/4)2- (20/2)2]}

 Dec 5, 2020

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