Question

The length of a rectangle is 3 times its breadth. If the perimeter of the rectangle is 80 cm, its length is ​

Answer 1

Answer:

60 cm

Step-by-step explanation:

let breath = x

so, lenght = 3x

perimeter = 80 cm

perimeter = (l+b)

80 = ( 4x )

so, x = 80/4 = 20 cm

so, l = 20x3 cm

=60 cm

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