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Question

A room is 12.5 m long and 8 m wide. A square carpet of side 8 m is laid on its floor. Find the area of the floor which is not carpeted.

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Solution

We have,
Length of the room = 12.5 m,
Breadth of the room = 8 m and
Side of the square carpet = 8 m

The area of the room=Length×Breadth=12.5×8=100 m2Also, the area of the square carpet=Side×Side=8×8=64 m2Now, the area of the floor which is not carpeted=Area of the room-Area of the carpet=100-64=36 m2

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