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Perimeter of Square and Rectangle

If a square o...

Question

If a square of side 2 cm is cut off from a rectangle of length 16 cm and breadth 8 cm, what will be the new perimeter?

A

50 cm

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B

48 cm

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C

46 cm

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D

52 cm

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Solution

The correct option is D
52 cm
Perimeter of the original rectangle = 16 + 8 + 16 + 8 = 48 cm

When a square of side 2 cm is cut off like in the figure shown, the perimeter loses a side of 2 cm and gains three sides of 2 cm.

So new perimeter = 48 cm - 2 cm + 2 cm + 2 cm + 2 cm
= 52 cm

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