Question

The perimeter of a rectangular piece of cardboard is 6m.Its breadth is 1m.Find its length.​

Answer 1

Answer:

The answer of the following question is 2 or option b

Step-by-step explanation:

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Answer 2

Given,

The perimeter of a rectangular piece of cardboard is 6m. Its breadth is 1m.

To find,

Length of the cardboard.

Solution,

The perimeter of a rectangle is calculated by formula = 2(l+b), where l is length and b is the breadth of the rectangle.

Breadth = 1

Let the length of the rectangular piece = x.

Putting the values in the formula,

⇒   2(x+1) = 6

⇒   2x+2=6

+ 2 will shift from left hand side of the equation to the right hand side of the equation and its sign would change from + 2 to -2.

⇒   2x = 6-2

⇒   2x = 4

⇒   x = 2.

hence, the length of the cardboard is x = 2 meters.