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18-09-2018
Mathematics

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Find the perimeter of a rectangle if the width is 9 cm and the area is 63cm

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23-09-2018

width = 9 cm

area = 63 cm^2

length = area ÷ width = 63 ÷ 9 = 7cm

perimeter = 2(l+b) = 2(7+9) = 32 cm

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