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The length and breadth of a rectangle are 12 cm and 9 cm, respectively. Its perimeter will be

A6 cm

B21 cm

C42 cm

D10.5 cm

Answer:

C. 42 cm

Read Explanation:

Perimeter of rectangle = 2(L + B) = 2 ( 12 + 9) = 2 x 21 = 42 cm


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