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प्रश्न
If the length of a rectangle is 20 m and its width is 12 m, what is its perimeter?
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उत्तर
Perimeter of a rectangle
= 2 x length + 2 x breadth
= 2 x 20 + 2 x 12
= 40 + 24
= 64 m
∴ Perimeter is 64 m.
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