# The surface of a swimming pool is rectangular in shape and measures 12 metre by 20 metre. A concrete walk 2 metre wide is to be built around the surface of the pool. What will be the surface area of the walk?

2
by PinkyTune

2015-01-20T11:06:15+05:30

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Length of swimming pool = 20m
Breadth of Swimming pool = 12m
Therefore, Area of Swimming Pool = l x b
= 20m x 12m = 240 m sq.

Length of Inner Rec. = 20 - 2 = 18 m
Breadth of Inner rec.=  12 - 2 = 10m
Therefore, Area = l x b
= 18 x 10 = 180 m sq.

A.T.Q.===========>>>>>>>>>>>>>>

Surface area of Inner Path = Area of swimmng pool - Area of Inner Rec.
= 240 m sq. - 180 m sq.
= 60 m sq.

Answer is = 60 m sq.
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