Question

1)the perimeter of a rectangle is 480cm and its length is 140 cm find its area in square metres
2)the perimeter of a rectangle is 12.4 M and its breadth is 2.2 M find its area

Answer 1

1) perimeter of rectangle is =2 (l+b)
so bredth of rectangle is 100
Area of rectangle is l×b = 140×100 =14000 cm^2
2) area of rectangle =l×b =12.4×2.2 = 27.28

Answer 2

I hope it is clear enough.