Question

The length of a rectangle is 20 cm more than its breadth. If the perimeter is 100 cm, find
the dimension of the rectangle.​

Answer 1

Step-by-step explanation:

Perimeter=100 cm

Let the breadth = x

Let the length = x+20

P=2 (l+b)

100=2 (x+20+x)

100=4x+40

4x+40=100

4x=100-40

x=60/4

x=30/2

x=15

Breadth=15 cm

Length = 15 +20=35cm