Question

the perimeter of is a rectangle is180cm and it's breadth is 40cm .find its length ?​

Answer 1

Answer:

The solution of this answer will be:

as we know that

Perimeter of rectangle =2(l+b)

180=2(l+40)

180=2l+80

180-80=2l

2l=100

l=100/2

l=50cm. The length of the rectangle will be 50cm.

Answer 2

Answer:

l=50

Step-by-step explanation:

perimeter=2(l+b)

180=2(l+40)

180/2=l +40

90=l+40

90-40=l

l=50