Question

The perimeter of a rectangle is 142 cm. then find

length if breadth is 30 cm.​

Answer 1

Answer:

length =41cm

Step-by-step explanation:

let lengh be l

perimeter of rectangle =2(l+b)

142cm=2(l+30)

142/2=l+30

71=l+30

71--30=l

l=41cm