Example: Rectangle Measurement in C

C
C++
C#
Java
Python
PHP
// Rectangle Measurement
#include <stdio.h>

void calculateRectangle() {
    float length, width, area, perimeter;

    printf("\n--- Rectangle Calculator ---\n");
    printf("Enter the length of the rectangle: ");
    scanf("%f", &length);
    printf("Enter the width of the rectangle: ");
    scanf("%f", &width);

    if (length <= 0 || width <= 0) {
        printf("Error: Length and width must be positive values.\n");
        return;
    }

    area = length * width;
    perimeter = 2 * (length + width);

    printf("Area of the rectangle: %.2f\n", area);
    printf("Perimeter of the rectangle: %.2f\n", perimeter);
}