Question

The perimeter of rectangular is 180 cm if the length of the rectangle is twice its breadth find its Length breadth area

Answer 1

let breadth = x

so length=2x

ATQ:-

perimeter = 180

2(l+b)=180

x+2x=180/2

3x=90

x=90/3

x=30

so breadth=x

=30cm

and length =2x

=2(30)

=60cm

Answer 2

let the length be y

so breadth will be 2y

According to question

2y + 2y + y + y = 180

》6y = 180

》y = 30 cm

So, area of rectangle will be

2y × y

= 2 × 30 × 30

= 1800 cm^2

Hence answer is 1800 cm^2

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