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The perimeter of the rectangle is 20 cm. If the length of the rectangle is 6 cm, then its breadth will be?

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14 cm

10 cm

6 cm

4 cm

answer is C.

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Detailed Solution

Perimeter of rectangle = 2(length + breadth)

20 = 2(6 + x)

⇒ 6 + x = 10

⇒ x = 10 - 6

⇒ x = 4 cm

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