Question

8. A floor is 50 m long and 40 m wide. A square
carpet of sides 30 m is laid on the floor. Find
the area of the floor that is not carpeted.​

Answer 1

Answer:

Given :

Length of the floor is 5m

The 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 the floor from ar. of carpet

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

=11m2.

Hence, answer Is 11m2.

Step-by-step explanation:

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Answer 2

• area of floor without carpeted =
• area of floor - area of carpet
• L × B - side × side
• 50 × 40 - 30 × 30
• 2000 - 900
• 1100 sq. m