Question

The length of a rectangle is 20 m less than twice its breadth. If the perimeter of the
rectangle is 80 m, find its dimensions.​

Answer 1

Step-by-step explanation:

2(l + b) = 80

b = x

l = 2x - 20

2 (2x - 20 + x) = 80

6x - 40 = 80

x = 120/6 = 20

breadth = 20m

length = 2x - 20 = 40 - 20 = 20m

Answer 2

Step-by-step explanation:

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