A path of uniform width 1.5 m runs around the outside of a rectangular field 18 m by 15 m. The area of the path is _____ $m^{2}$ .

108

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100

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Solution

The correct option is A
108

Area of the path = Area of the outer rectangle - Area of the inner rectangle

Area of the path = $(21 \times 18) - (18 \times 15$ )

= 18 ( 21 - 15)

= 18 (6)

= 108 $m^{2}$

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