Question

The length of a rectangle is two times it's width . the perimeter of the rectangle is 180 cm . find the dimennsionsof the rectangle​

Answer 1

Answer:

let the width be x

therefore length=2x

perimeter =180cm

2(l+b)=180

2(2x+x)=180

2*3x=180

6x=180

x=30cm

width =30cm

length =60cm

Answer 2

Answer:

Let width be x

length be 2x

Perimeter = 2 ( l + w)

180 = 2(2x+x)

180 = 3x

2

90 = 3x

90 = x

3

30 = x

width = 30

length =30 * 2

= 60

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