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Program 318:Area and Circumference of Circle using Macro Substituion

Program 318:Area and Circumference of Circle using Macro Substituion
 
#include <stdio.h>
#define PI 3.14159
int main()
{
 float radius,areaCircle,circumferenceCircle;
 
 printf("Enter radius\n");
 scanf("%f",&radius);
 areaCircle=PI*radius*radius;
 circumferenceCircle=2*PI*radius;
 printf("Area of Circle : %f\nCircumference of Circle : %f\n",areaCircle,circumferenceCircle);
 
 return(0);
}
Explanation:

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Output:

Area and Circumference of Circle using Macro Substituion



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