Question

length of a rectangle is 6m less than twice it's breadth.the perimeter of a rectangle is 240 m.find the breadth
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Answer 1

Answer:

bredth is equal to x then length is 2x-6

so x is multiple by 2x-6 is equal to 240 then you solve it

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Answer 2

Answer:

breadth of rectangle is 42m

Step-by-step explanation:

let breadth,b=x

so length,l will be 2x-6

perimeter of rectangle=240m

2(l+b)=240

2(2x-6+x)=240

2(3x-6)=240

3x-6=120

3x=126

x=42m

so breadth of rectangle is 42m.

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