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

void calsquare(void);
void calcone(void);
void calcircle(void);

int main()
{

    int y = 0;

    printf("Menu\n");
    printf("1. Find Area and Perimeter of Square\n");
    printf("2. Find Area and Perimeter of Cone\n");
    printf("3. Find Area and Perimeter of a Circle\n");
    printf("4. Quit\n");
    printf("Input the following function\n");
    scanf("%d", &y);

    if (y == 1) {
    calsquare();
    }

    if (y == 2) {
    calcone();
    }

    if (y == 3) {
    calcircle();
    }

    if (y == 4) {
    system("EXIT");
    }
}

void calsquare(void)
{

    float area = 0;
    float perimeter = 0;
    float x = 0;
    system("CLS");

    printf("Input the side of x : ");
    scanf("%f", &x);

    area = (x*x);
    perimeter = (4*x);

    printf("Area of square = %.2f\n", area);
    printf("Perimeter of square = %.2f\n", perimeter);

    //getch();
}

void calcone(void)
{

    float area = 0;
    float volume = 0;
    float s = 0, r = 0, h = 0;

    system("CLS");
    printf("Input the side of s : ");
    scanf("%f", &s);

    printf("Input the side of r : ");
    scanf("%f", &r);

    printf("input the side of h");
    scanf("%f", &h);

    area = (3.142*r*s)+(3.142*r*r);
    volume = (1/3)*(3.142*r*r*h);

    printf("Area of cone = %.2f\n", area);
    printf("Volume of cone = %.2f\n", volume);

    //getch();
}

void calcircle(void)
{

    float area = 0;
    float perimeter = 0;
    float r = 0;

    system("CLS");
    printf("Input the side of r : ");
    scanf("%f", &r);

    area = (3.142*r*r);
    perimeter= (2*3.142*r);

    printf("Area of cone = %.2f\n", area);
    printf("Perimeter of cone = %.2f\n", perimeter);

    //getch();
}