Question

The area of rectangular is 80 metre square and it's length is 20m. Find its breadth​

Answer 1

Answer:

60m

Step-by-step explanation:

Let Breadth =x

Length =x+20

Perimeter of a rectangle = 2(L+B)

=2(x+20+x)

=4x+40

Given perimeter =280

4x+40=280

4x=240

x=60

Therefore, breadth=60length=80