Question

The perimeter of a rectangle is 30 cm and it's length is 10 cm what is it's breagth

Answer 1

Answer:

perimeter of rectangle=2(l+b)

30=2(10+b).

2b=30-20

b=10\2

b=5

Answer 2

Answer:

perimeter of rectangle=2(l+b)

30=2(10+b)

2b=30-20

b=10/2

b=5