Question

The length of a rectangle is twice of its breadth. if the perimeter if the rectangle is 270cm , find its area​

Answer 1

Step-by-step explanation:

let breadth be x

let length be 2x

perimeter=270cm

2(x+2x)=270cm

6x=270cm

x=270cm/6

x=45

breadth=x=45cm

length=2x=45×2=90cm

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Answer 2

l = 2b

p = 2(l+b)

270 = 2(2b +b)

270÷2 = 3b

135 = 3b

135÷3 = b

45 = b

l = 2b

l = 90

Area = lxb

Area = 90 x 45

Area = 4050