Question

What is the answer of no.11. Please tell me in full statement​

Answer 1

Answer:

Let length = 7x and breadth= 4x

2(7x+4x)=220

11x= 110

x= 10

length 70

breadth 40

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Answer 2

Step-by-step explanation:

let ratio of length and breadth be 7x and 4x

given that perimeter of rectangle = 220m

we know that perimeter of rectangle= 2(l+b)

220m=2(7x+4x)

220m = 22x

x= 10m

Hence,length of rectangle =7x = 7×10=70m