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If the area of a rhombus is 20 square inches and one of its diagonals is 10 inches, what is the length, in inches, of the other diagonal?

 Mar 18, 2024
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The formula for the area of a rhombus is \(A=\frac{pq}{2}\)  A representing the area, and p and q as the two diagonal lengths

 

You can plug in the area and one of the diagonals to get \(20=\frac{10q}{2}\)

 

Now you just solve for q. 40 = 10q, q=4

 

The length of the other diagonal is 4

 Mar 18, 2024

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