the length is twice its breadth find the length if its perimeter is 90 cm
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15 units is the answer
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let breadth be x
length = 2x
Perimeter = 90cm
2(l+b) = 90cm
90 = 2(2x+x)
90/2= 3x
45/3 =x
x= 15cm
length = 2x = 2×15=30cm
length = 2x
Perimeter = 90cm
2(l+b) = 90cm
90 = 2(2x+x)
90/2= 3x
45/3 =x
x= 15cm
length = 2x = 2×15=30cm
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