Question

The breadth
of a rectangle with length 12cm and perimeter 36cm?
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Answer 1

Answer:

perimeter=2(l+b)

36=2(12+b)

18=12+b

18-12=b

b=6

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Answer 2

p=2(l+b)

where l is 12 cm

and p is 36 cm

so,

36=(12+b)2

12+b=36/2

12+b=18

b=18-12

b is 6

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