Question

The perimeter of the rectangle is 20cm. If the breadth of the rectangle is 4cm, then its length will be ​

Answer 1

$\huge\bold\pink{Answer}$

Since,

We know that,

Perimeter of a rectangle=2(l+b)

Now, Let the length be x.

: . 20=2(x+4)

: . 10=(x+4)

: . x=6

Therefore,The breadth of the rectangle is 6 cm.