Question

a floor is 5 metre long and for metre wide a square carpet of side 3 metre is laid on a floor find the area of the floor that is not carpeted​

Answer 1

Answer:

are of floor =4m×5m=20m2

area of carpet=3m×3m=9m2

area un carpeted=20m2-9m2

=11m2

(eleven metre square)

Answer 2

Given :

Length of floor is 5m

Breadth of the floor is 4m

So, ( applying ar. l × b )

ar. of floor =4m×5m=20m2. Side of the carpet is 3m

So, (applying ar. of sq. = side × side (s) )

area of carpet=3m×3m=9m2.

To find the area of the floor that is not carpeted or (uncarpeted) we will (-) minus the ar. of floor from ar. of carpet

area which is not carpeted or( uncarpeted ) =20m2-9m2

=11m2.

Hence,the ans. Is 11m sq.

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