The perimeter of rectangle is 42 cm , if length of rectangle is twice its beadth , then the breadth of rectangle is *
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The perimeter of rectangle is 42 cm , if length of rectangle is twice its beadth , then the breadth of rectangle is *
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Answer:
7cm
Step-by-step explanation:
let bredth be x
length will be 2x
perimeter = 2(l+b)
42cm=2(2x+x)
42cm=2*3x
42cm=6x
42cm/6=x
7cm=x