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In the figure above, ABCDEFG is a regula...


In the figure above, ABCDEFG is a regular hexagon. Sides DC and GA are extended such that A is the midpoint of `overline(BG) and` C is the midpoint of `overline(BD)`. If the area of `triangleABC` is `9sqrt(3)` square centimeters, what is the number of centimeters in the perimeter of polygon ABCDEFG?

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The correct Answer is:
`42`
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ENGLISH SAT-ADDITIONAL TOPICS IN MATH-Grib-In
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