Question

write a c programming

Write a program that will calculate the perimeter, area and volume of a is is entered by the user. Your program will display the radius, perimeter, area and volume to the monitor and will also save them to a file called "circlePAV.txt". Your program should prompt the user for the radius until the user enters -1. Use the following structure. typedef struct ( float radius; float area, float perimeter; float volume; ylinder Figure>

Answer 1

#include<stdio.h>

typedef struct{

    float radius;

    float area;

    float perimeter;

    float volume;

} figure;

int main()

{

    // create a variable of type figure

    figure x;

   

    printf("Enter radius : ");

   

    // get user input

    scanf("%f", &x.radius);

   

    // calculate perimeter

    x.perimeter = 2.0 * 3.14 * x.radius;

   

    // calculate area

    x.area = 3.14 * x.radius * x.radius;

   

    // calculate volume

    x.volume = 4.0 * 3.14 * x.radius * x.radius * x.radius / 3.0;

   

    printf("Radius : %f\n", x.radius);

    printf("Perimeter : %f\n", x.perimeter);

    printf("Area : %f\n", x.area);

    printf("Volume : %f\n", x.volume);

   

    // open file in write mode

    FILE *ptr = fopen("circlePAV.txt", "w");

   

    fprintf(ptr, "Radius : %f\n", x.radius);

    fprintf(ptr, "Perimeter : %f\n", x.perimeter);

    fprintf(ptr, "Area : %f\n", x.area);

    fprintf(ptr, "Volume : %f\n", x.volume);

   

    return 0;

}

Sample Output

Enter radius 6.35 Radius6.350000 Perimeter:39.877998 Area: 126.612648 Volume 1071.987061