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in Perimeter and Area of Plane Figures by (30.3k points)
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A rectangular park 358 m long and 18 m wide is to be covered with grass, leaving 2.5 m uncovered all around it. Find the area to be laid with grass.

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The field is planted with grass, with 2.5 m uncovered on its sides.

The field is shown in the given figure.

Thus, we have;

Length of the area planted with grass 35 - (2.5 + 2.5) = 35 - 5 = 30 m

Width of the area planted with grass = 18 - (2.5 + 2.5) = 18 - 5 = 13 m

Area of the rectangular region planted with grass = 30 x 13 = 390 m2

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