Question

Breadth of rectangle whose length is 70cm and perimeter is 200cm​

Answer 1

Answer:

2(l+b)=200

2(70+b)=200

140+2b=200

2b=200-140

b=60/2

b=30

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Answer 2

Answer:

Breadth = 30cm

Step-by-step explanation:

Let the breadth be x.

Perimeter of Rectangle = 2(70+x)=200

140+2x=200

By transposition method,

2x = 200-140

2x = 60

x = 60/2

x = 30cm