A rectangle is formed by a rope of length 30cm. If the breadth of the rectangle is 6cm. Find its length.
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Step-by-step explanation:
perimeter of rectangle=length of rope
30 =2(b+l
30=2(6+x)
30=12+2x
30-12=2x
18=2x
18/2=x
9=x
length=9cm
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