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Let G be the center of triangle XYZ. A dilation centered at G with a scale factor of -2/3 is applied to triangle XYZ to form triangle X'Y'Z'. Let A be the region of the area that is covered by both XYZ and X'Y'Z'. Find A/[XYZ] where [XYZ] is the area of triangle XYZ.

 Apr 13, 2020
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A/[XYZ] = 4/7.

 Apr 14, 2020

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