Question

The perimeter of the rectangle is 20cm.If the length of the rectangle is 6cm, then its breadth will be....​

Answer 1

Answer:

Step-by-step explanation:

perimeter of a rectangle = 20 cm

length  =6cm =l

let breadth be b

2(l+b) = 20

l+b=10

6+b= 10

b=4 cm

Answer 2

Answer:

breath = 8

Step-by-step explanation:

perimeter of a rectangle = 2(L+B)

= 2(6+B)=20

= 12+B=20

= B=20-12

=B = 8