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Question

A floor is 5 m long and 4 m wide. A square carpet of sides 3 m is laid on the floor. Find the area of the floor that is not carpeted.

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Solution

Length of floor =5 m.

Breadth of floor =4 m.

Area of floor (rectangular) =length×breadth.

=5m×4m=20 m2.

Now, Side of square carpet =3 m.

Area of square carpet =side×side=3×3 =9 m2.

Area of floor that is not carpeted =20 m2 9 m2 = 11 m2.


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