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Similar figures have a scale factor of 2y:y. Find the ratio of the areas.
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Phresh_K

by Phresh_K at February 19, 2010

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2:1

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ConCho

ConCho February 19, 2010

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its 4:1

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sjyDavid

sjyDavid February 20, 2010

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It's 4:1. When the scale factor is x:1, the ratio of the areas is x^2:1. 2y:y simplifies to 2:1, so the ratio of the areas is 4:1.

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Delta

Delta February 20, 2010

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4:1

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GURUKID

GURUKID February 22, 2010

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umm...?

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bookworm_nerd

bookworm_nerd October 10, 2010