Question

the ratio of lenght to breadth of a rectangle is 7:4.If the perimeter of the rectangle is 220 m.find the lenght of the rectangle?​

Answer 1

Answer:

Step-by-step explanation:

let the length and breadth be 7x and 4x

we got perimeter(p), so

p=2(l+b)

200=2(11x)

200=22x

x=200÷22

x=9.09

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Answer 2

Let the ratio be x

length=7x

breadth=4x

perimeter of the rectangle = 220m

2(l+b)=220m

2(7x + 4x)=220m

2(11x)=220m

11x=220m/2

11x=110m

x=110m/11

x=10m

length=7x=7*10m

=70m

breadth=4x=4*10m

=40m

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