The length and breadth / width of a rectangle are entered through the keyboard. Write a program to calculate the perimeter of the rectangle.
To get perimeter of a rectangle, we add the length and width of rectangle and then multiply it with 2. In other words, perimeter is the addition of length of all the sides of a rectangle.
Related Read:
Basic Arithmetic Operations In C
Area of Rectangle: C Program
Note: Perimeter of a Rectangle is calculated using the formula
Perimeter = 2 * (Length + Width);

Length: is the length of the longest side of the rectangle.
width: is the length of the smallest side of the rectangle.
Find Perimeter of a Rectangle: C Program
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Source Code: Find Perimeter of a Rectangle: C Program
- #include < stdio.h >
- int main()
- {
- float length, width, perimeter;
- printf("Enter length of Rectangle\n");
- scanf("%f", &length);
- printf("Enter width of Rectangle\n");
- scanf("%f", &width);
- perimeter = 2 * (length + width);
- printf("Perimeter of Rectangle is %f\n", perimeter);
- return 0;
- }
Output:
Enter length of Rectangle
12
Enter width of Rectangle
6
Perimeter of Rectangle is 36.000000
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