Question

If perimeter of a rectangle = 48 cm, breadth = 10cm and what is length ​

Answer 1

$perimeter = 2(l + b) \\ 48 = 2(l + 10) \\ 24 = l + 10 \\ 14 = l$

Answer 2

Answer:

perimeter of rectangle = 2(l + b)

48 = 2(l + 10)

48 = 2l + 20

2l = 48 - 20 = 28

l = 28/2 = 14

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