The perimeter of a rectangle is 30cm. if its breadth is 3cm then its length is
a) 4.5cm
b) 5cm
c)5.5cm
d)6cm
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Step-by-step explanation:
p = 2(l+b)
30 = 2(l+3)
30 = 2l + 6
24 =2l
l = 12cm
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