kelliems3882 kelliems3882

20-01-2018
Mathematics

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The perimter of a recrangle is 36 the ratio of the legnths of the sides i 2:7 what are the lengths of the sides

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gustanika gustanika

20-01-2018

2 (l + w) = 36
l + w = 18
2x + 7x = 18
9x = 18
x = 2

the length of the sides
l = 2x
l = 2(2)
l = 4

w = 7x
w = 7(2)
w = 14

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