MathRevolution wrote:
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 the smaller playground is 100.
2) The perimeter of the larger playground is 200.
I think the correct answer is C.
suppose 'a' be the length & 'b' be the width of the ground. Now as the width of the tract is uniform the the total length of the figure is 'a+2d' & total width is 'b+2d'.
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