a rectangular sheet of paper is 10 1/2 cm long and 15 3/4 cm wide , find its perimeter
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Answer:
Answer is 42.
Step-by-step explanation:
Converting the mixed fraction in proper fraction.
So we have,
10 1/2 cm = 21/2
15 3/4 cm = 63/4
And perimeter of rectangular sheet of paper = 2(l+b)
= 2(21/2 + 63/4)
= 42
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