Question

If the length and breadth of a rectangle is doubled, how many times will the perimeter of the new rectangle be that of original rectangle?

Answer 1

double of original rectangle

Answer 2

Let the length and width of rectangle be a And b

Perimeter = 2(a+b)

New length = 2a
New width = 2b
New perimeter = 2(2a+2b)
= 4(a+b)


Perimeter of new rectangle is 2 times the original