A CARPET 5 METRE LONG AND 4 M WIDE IS LAID IN A SQUARE ROOM OF WIDE 7M. FIND THE AREA OF THE FLOOR LEFT UNCOVERED
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Answer:
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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