Q7.A rectangular sheet of paper is 12 1/2 cm long and 10 2/3 cm wide. Find its perimeter.
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Answer:
perimeter of the rectangle is 2(l+b)
we want to convert12 1/2 and 10 2/3 into improper fraction
that means 12 1/2 is 25and 10 2/3 is 32
2(25+32)
2(57)
114
answer 114
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