Program to find area and perimeter of rectangle.

Explanation
Here, length and breadth of rectangle are inputted by user and placed in l and b using scanf. Using the correct formula of area and perimeter, we are able to generate the output. The area and perimeter anre float and the output should be of 2 decimal value, so we have used .2f  specifier.

Output

Here the input length and breadth is provided separated by comma as specifier used in scanf.

Exercise:

Find the area of circle where PI=3.1458.