Question

If the lengyh and the breadth of a rectangle are doubled , how many times the perimeter of the old rectangle will that of the new rectangle be ?​

Answer 1

Step-by-step explanation:

2 times...............

Answer 2

Heya mate, here's your answer

Perimeter of old rectangle = 2 (l + b)

Let l = 2l & b =2b

Perimeter of new rectangle = 2 (2l + 2b)

= 4l + 4b

= 4 (l+b)

Therefore perimeter of new rectangle is twice as that of old rectangle

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