Question

The perimeter of a rectangle is 54 m and its width is 12m. its length is

Answer 1

Answer:

Width=Breadth=12m

Perimeter of rectangle=Length x Breadth

                54m              =Length x 12

                 Length=54/12=4.5m

Answer 2

Answer:

perimeter of rectangle is 2into (L+b)

54=2(12+b)

54=24+2b

Explanation:

54-24=2b

30=2b

b=30/2

b=15