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Question

In a parallelogram ABCD, AB and CD are adjacent sides. If AB = 12 cm, BC = 8 cm, then perimeter of the parallelogram is .

A
40 cm
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B
35 cm
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C
30 cm
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D
20 cm
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Solution

The correct option is A 40 cm
Given ABCD is a parallelogram. Hence, the opposite sides of the parallelogram are equal.

Then, AB = CD = 12 cm and BC = DA = 8 cm.

The perimeter of the parallelogram will be the sum of all the sides.
Perimeter = AB + BC + CD + DA
Perimeter = 12 cm + 8 cm + 12 cm + 8 cm = 40 cm.

The perimeter of the parallelogram ABCD is 40 cm.

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