Untitled

#include <stdio.h>
#include <math.h>

#define PI 3.14159

int main() {
    float radius, diameter, circumferenceCircle, surfaceAreaSphere, volumeSphere;

    // Input the radius
    printf("Enter the radius: ");
    scanf("%f", &radius);

    // Calculations
    diameter = 2 * radius;
    circumferenceCircle = 2 * PI * radius;
    surfaceAreaSphere = 4 * PI * radius * radius;
    volumeSphere = (4.0f / 3.0f) * PI * radius * radius * radius;

    // Output the results
    printf("\nFor a Circle:\n");
    printf("Diameter: %.2f\n", diameter);
    printf("Circumference: %.2f\n", circumferenceCircle);

    printf("\nFor a Sphere:\n");
    printf("Surface Area: %.2f\n", surfaceAreaSphere);
    printf("Volume: %.2f\n", volumeSphere);

    return 0;
}