Question

A room is 4m long and 3m wide. How Many square meter of carpet is needed to cover the floor room?

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Answer 1

Answer:

12m

Step-by-step explanation:

length=4m

breadth =3m

area of the floor=4×3=12m

12m carpet are needed to cover the floor

Answer 2

Answer: 12 m²

Explanation:

Given:

1. Length of the room  = l = 4 m
2. Breadth of the room = b = 3 m

To find:

The area of carpet needed to cover the floor of the room

Proof:

Length of the room  = l = 4 m                     [Given]

Breadth of the room = b=  3 m                    [Given]

∴ The area of carpet needed to cover the floor of the room = The area of the floor

Now, the floor of the room is in the shape of a rectangle.

Hence, the area of the floor = l × b

Substituting

1. l = 4 m &
2. b = 3 m

We get:

= The area of carpet needed = ( 4 × 3 ) m²

⇒ The area of carpet needed = 12 m²

Hence, 12 square meters of carpet is needed to cover the floor of the room.

Proved.

Hope you got that.

Thank you.