To calculate the area of ellipse you need to know the radius 1 and radius 2 of the ellipse.
Variables:1. r1 : (Datatype int): to represent the radius 1 of the ellipse.
2. r2 : (Datatype int): to represent the radius 2 of the ellipse.
3. PI : (Datatype float): static variable to represent constant PI value up to 3 decimal places i.e 3.142
5. area_of_ellipse : (Datatype long): to store area of ellipse calculated.
Formula:Volume of Ellipse : π x r1 x r2
/*
* 1000+ C programs + tutorials
*
*
* 11_calculate_area_of_ellipse.c
*
*
* Created on: Oct 20, 2014
* Author: Code2care.org
*/
#include <stdio.h>
//#include <conio.h>
void main() {
int r1,r2;
float PI = 3.142;
long area_of_ellipse;
// clrscr();
printf(" Program to calculate Area of a Ellipse : \n\n");
printf(" Enter Radius1 of Ellipse : ");
scanf("%d", &r1);
printf("\n\n Enter Radius2 of Ellipse : ");
scanf("%d", &r2);
area_of_ellipse = PI*r1*r2;
printf("\n\n Area of Ellipse with radius1 as %d and radius2 as %d = %ld",r1,r2,area_of_ellipse);
// getch();
}
Output:
Program to calculate Area of an Ellipse :
Enter Radius1 of Ellipse: 40
Enter Radius2 of Ellipse: 50
Area of Ellipse with radius1 as 40 and radius2 as 50 = 6284
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