C Program to Find Volume and Surface Area of Cone

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This is a C Program to find the volume and surface area of cone.

Problem Description

This C Program calculates the volume and surface area of cone.

Problem Solution

This program is used to find the the volume and surface area of cone. The formula used in this program are Surface_area = Pi * r * (r + sqrt(r2 + h2)), Volume = 1 / 3 * Pi * r2 * h where r is the radius and h is the height of the cone & Pi = 22/7.

Program/Source Code

Here is source code of the C Program to Find the volume and surface area of cone. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

/*
 * C Program to Find the volume and surface area of cone
 */
#include <stdio.h>
#include <math.h>
 
int main()
{
 
    float radius, height;
    float surface_area, volume;
 
    printf("Enter value of radius and height of a cone :\n ");
    scanf("%f%f", &radius, &height);
    surface_area = (22 / 7) * radius * (radius + sqrt(radius * radius + height * height));
    volume = (1.0/3) * (22 / 7) * radius * radius * height;
    printf("Surface area of cone is: %.3f", surface_area);
    printf("\n Volume of cone is : %.3f", volume);
    return 0;
}
Program Explanation

In this C program, library function defined in <math.h> header file is used to compute mathematical functions. We are reading the ‘radius’ and ‘height’ of a cone. To find the surface area and the volume, the following formulas are used.

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Surface area = 3.14 * radius * (radius + sqrt ((radius * radius) + (height * height)),

Volume = 1 / 3 * 3.14 * radius * radius * height.

Runtime Test Cases
 
Output:
$ cc pgm31.c -lm
$ a.out
Enter value of radius and height of a cone :
 6 9
Surface area of cone is: 302.700
Volume of cone is : 324.000

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If you wish to look at other example programs on Mathematical Functions, go to C Programming Examples on Mathematical Functions. If you wish to look at programming examples on all topics, go to C Programming Examples.

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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