Question

The length of a rectangle is twice its breadth. If the perimeter is 72 metre, find

the length and breadth of the rectangle.​

Answer 1

Answer:

parimeter of rectangle= 2×(l+b)

let's breadth be,x

2(2x×x)=72m

2x×x=72/2m

3x=36m

x=36/3m

x=12m

breadth=12m

length=12×2=24m

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

let,

breadth of rectangle = b

Therefore, length of rectangle = 2b

Perimeter of rectangle = 2(length + breadth)

72 = 2( 2b + b)

72 = 3b

2

36 = b

3

12 = b

Hence breadth of rectangle is 12 metre

Hence length of rectangle = 2b

= 2 × 12

= 24 metre

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