EdwardElricFan16 EdwardElricFan16

21-04-2016
Mathematics

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a rectangle is 3 times as long as it is wide the perimeter is 44 cm. find the dimensions

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Аноним Аноним

21-04-2016

Well!

First let the length be 'l' and breadth be 'b'

So, perimeter = 2(l + b)

Given that,
Length is thrice the breadth
l = 3b

Now, substitute it in the formula for perimeter !

44 = 2(3b + b)
44 = 8b
b = 44/8 = 11/4 cm

l = 3b = 11/4 × 3 = 33/4 cm

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