Question

the perimeter of an paper is 42 CM if its length is 5 cm find the breadth of paper please give me answer​

Answer 1

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Perimeter = 42cm

Length = 5cm

We know,

Perimeter = 2 (Length + Breadth)

42cm = 2 ( 5cm + b )

42 / 2 = 5 + b

21 - 5 = b

b = 16cm

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Answer 2

Answer:

breadth=?

length=5cm

ATQ,

perimeter =42cm

2(l+b)=42

2(5+b)=42

5+b=42/2

5+b=21

b=21-5

b=16