# 13 : C Program to Calculate Volume of Cone

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Variables :

1. height : (Datatype int) : to represent the height of Cone.

2. radius : (Datatype int) : to represent the radius of Cone.

3. PI : (Datatype float) : static variable to represent constant PI value upto 3 decimal places i.e 3.142

5. volume_of_cone : (Datatype float) : to store volume of Cone calculated.

Functions :

printf() : is used to display something on the console/screen. Format specifier %d in printf function is used to display a int variable on screen and %lf for float. \n is used to add a newline

scanf() : is used to fetch data inputted by the user on the console/screen using keyboard. %d in scanf is indicates that inputted text is of type int and %f for float.

Formula :

Volume of a Cone : π x r2x h

``````
/*
* 1000+ C programs + tutorials
*
*
* 12_calculate_volume_of_cone.c
*
*
*  Created on: Oct 20, 2014
*  Author: Code2care.org
*/

#include <stdio.h>
//#include <conio.h>

void main() {

int height;
float volume_of_cone;
float PI = 3.142;

//	clrscr();

printf(" Program to calculate Volume of a Cone :  ");

printf("\n\n Enter the Radius of Cone : ");

printf("\n\n Enter the Height of Cone : ");
scanf("%d", &height);

printf("\n\n Volume of Cone with Radius as %d and Height as %d = %f",radius,height,volume_of_cone);

//	getch();

}```
```

• Output :

Program to calculate Volume of a Cone :

Enter the Radius of Cone : 2

Enter the Height of Cone : 5

Volume of Cone with Radius as 2 and Height as 5 = 62.840000

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