Question

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

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Solution

## We have to determine the area of the floor that is not carpeted.Here, length of floor $=4cm$Breadth of floor $=b=3m50cm=3.50m$ We know that area of rectangle is given byArea of rectangle $=$ length $×$ widthArea of floor $=l×b=5×4$$=20{m}^{2}$Area of square carpet $=3×3=9{m}^{2}$Area of floor that is not carpeted $20-9=11{m}^{2}$∴ Area of the floor that is not carpeted is $11{m}^{2}$

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