A square is cut out from one corner of a rectangle as shown. If the perimeter of the shape formed is 24 cm, the perimeter of the rectangle was cm.

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Solution

The correct option is C 24

So, the perimeter of the new shape = Length + Breadth + Length + Breadth
= 2 $\times$ Length + 2 $\times$ Breadth

The perimeter of the rectangle originally
= Length + Breadth + Length + Breadth
= 2 $\times$ Length + 2 $\times$ Breadth

So, we can say that the perimeter of the shape formed is equal to the perimeter of the rectangle originally.
So, the perimeter of the rectangle = 24 cm

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