negasonic negasonic

22-02-2017
Mathematics

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the width of a rectangle is 2/3 of the length. the perimeter of the rectangle is 15 cm. what is the length,l, of the rectangle. exlplain

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ChandrikaP ChandrikaP

22-02-2017

perimeter of a rectangle=2(L+w)
15=2(L+2/3L) where w=2/3*L
15=2(5L/3)

L=9/2=4.5 cm

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