Question

If the length of a rectangle is twice it's breadth and it's perimeter is 120m then its length is
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Answer 1

Answer:

b = 20

l = 40

Step-by-step explanation:

2(2b+b)=120

3b= 60

b= 20

l=2b=2×20=40

hope that help u

Answer 2

Step-by-step explanation:

let the breadth of the rectangle be x , then length of the rectangle is 2x

(2x + x ) = 120

3x = 120

x = 120/3

x = 40

breadth = 40

length = 80