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# 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.

Q 8.     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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Given that,
Length of the floor = 5 m
and its width = 4 m
Therefore,  the area of the floor
= length $\times$ breadth
$= 5\times 4 = 20\ m^2$

And, side of the square carpet = 3m
Therefore,  the area of the square carpet = $(side)^2$
= 3m $\times$ 3m = 9m2

Thus, the area of the floor which is not covered with carpet = $20 m^2-9m^2= 11m^2$

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