Question

the length of a hall is 3 metre more than double of its breadth.If the perimeter in 66 find its length​

Answer 1

let breadth of. rectangle be x

length =3+2x

perimeter=66

then 2(L+B)=66

2(3+2x+x)=66

2(3+3x)=66

6+6x=66

x=10.

then length equals to 3+20=23metre

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Answer 2

Answer:

l

Step-by-step explanation:

let the breadth be x

length=3+2x

perimeter=66

A.T.Q

perimeter=2(l+b)

66=2(x+(3+2x)

66=2(x+3+2x)

60=6x

x=10