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/* File Name -: odd.c
Author Name -: Jeetu Sahu
Date -: 27/12/2020
Description -: A Program to find Area of Circle
*/
#include<stdio.h> // Link Section
#define PI 3.14 // Definition Section
float r; // Global Declarations Section
float area(float); // Global Declarations Section
int main(void) // Main functions Section
{
float aoc; // Declaration Part
printf("Enter the radius of circle"); // Execution Part
scanf("%f",&r);
aoc=area(r);
printf("area of circle is %f",aoc);
return (0);
}
float area(float R) // User-Defined Functions or Sub Program Section
{
return (R*R*PI) ;
}
Compiling Program...
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