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A square carpet of side length 9 feet is designed with one large shaded square and eight smaller, congruent shaded squares, as shown.

If the ratios 9 : s and s :t are both equal to 3 and s and t are the side lengths of the shaded squares, what is the total shaded area?

 Jul 27, 2020
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Ratio     9 : S = S : T

 

Area = ( 9 / S )2 + 8 ( S / T )2    wink

 Jul 27, 2020

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