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# How do you calculate the dimensions of a rectangle based on a specific ratio if you know its area?

Updated: 4/28/2022

Wiki User

16y ago

Known Ratio gives: X/Y = R Known Area gives: X*Y = A R and A are known. Two equations. Two unknowns. X = R*Y R*Y*Y = A Y^2 = A/R Y = SQRT(A/R) X = R*SQRT(A/R)

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16y ago

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Q: How do you calculate the dimensions of a rectangle based on a specific ratio if you know its area?
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By measuring it. If you want to calculate it based on other information you know about the rectangle, please clarify what information you know.

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