Question

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

Answer 1

Answer:

The perimeter of new rectangle will be doubled.

Step-by-step explanation:

for example if we take 2 as length and 3 as breadth

l=2

b=3

perimeter of rectangle=2x(l+b)

2x(2+3)

2x5=10

PERIMETER=10

double length and breadth

=2x2=4

=3x2=6

our new dimenssions

l=4

b=6

2x(l+b)

2x(4+6)

2x10

=20

PERIMETER=20

old perimeter=10

new perimeter=20

hence verified

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