Question

the perimeter of a rectangle is 60 metre and its breadth is 10 metre find its length​

Answer 1

Answer:

perimeter =2(l+b)

60=2(l+10)

60=2l +20

2l=40

l=20 metre

hope it helps

Answer 2

Answer:

20

Step-by-step explanation:

perimeter of rectangle is equal to 2(l +b)=60

b= 10

now ,

2(l+b)=60

open thebracket

2l +20=60

2l = 60-20

2l=40

l=40/2

l=20