a rectangular sheet of paper is 12 1/2 cm long and 10 1/3 cm wide. find it's perimeter
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Perimeter = 2 ( length + breadth )
= 2 (12 1/2 +10 2/3)
= 2 (25/2+32/3)
= 2 (75/6+64/6)
= 2 (139/6)
= 139/3
= 46 1/3 cm
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