Question

The length of a rectangle is thrice its breadth. If its perimeter is 80 cm, find the
length and the breadth of the rectangle​

Answer 1

Answer:

l= 30 cm

b= 10 cm

Step-by-step explanation:

Let l= 3x

b= x

perimeter= 80cm

2(l+b) = 80

3x + x = 40

4x = 40

x= 10

l = 30 cm

b= 10 cm

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