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A path 1 m wide is built along the border and inside a square garden of side 30 m. Find the area of the path.

Class 7Area of Paths and BordersPerimeter and Area

A $116 m^{2}$
B $120 m^{2}$
C $124 m^{2}$
D $60 m^{2}$

Step-by-Step Solution

Inner square side = 30 − 2 = 28 m, area

784 m^{2}

. Garden =

900 m^{2}

. Path

= 900 - 784 = 116 m^{2} . (124 m^{2}

is a path outside:

3 2^{2} - 900.

)

Answer: A)

116 m^{2}

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