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A larger playground has a rectangular-shaped track shaded sh

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by Max@Math Revolution » Thu Apr 07, 2016 5:12 am
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A larger playground has a rectangular-shaped track shaded shown as above figure such that the track has a uniform d as its width, what is the track's area?

1) The perimeter of smaller playground is 18d.
2) The perimeter of smaller playground is 360.


* A solution will be posted in two days.
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Source: — Data Sufficiency |