Question

If l:b=7:2 and parimeter u = 38.16mm find b

Answer 1

Answer:

u find sir

Step-by-step explanation:

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Answer 2

Answer:

let the length be 7x

and the breadth be 2x

We know that, perimeter = 2(l+b)

38.16=2(7x+2x)

38.16/2=9x

19.08/9=x

2.12=x

length = 7x = 7*2.12 = 14.84mm

breadth = 2x = 2*2.12 = 4.24mm

 

Step-by-step explanation: