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A strip of grass 1.5 m wide is laid inside, along all four sides of a playground 60 m by 40 m. What is the area of the strip?

Class 7Area of Paths and BordersPerimeter and Area

A $2109 m^{2}$
B $309 m^{2}$
C $291 m^{2}$
D $300 m^{2}$

Step-by-Step Solution

Inner:

57 \times 37 = 2109 m^{2}

. Playground:

2400 m^{2}

. Strip

= 2400 - 2109 = 291 m^{2} . (309 m^{2}

would be a strip outside.)

Answer: C)

291 m^{2}

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