Question

if the length of a rectangle is twice its breadth and it's perimeter is 120 m, then it's length is

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Answer 1

Answer:

40

Step-by-step explanation:

let breadth be x and length be 2x

perimeter=2(l+b)

120=2(2x+x)

120=2(3x)

120=6x

120/6=x

20=x

2x(length)=40