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WRITE A PROGRAM to find area of a circle using PI as constant

#include < stdio.h >   

#define PI 3.141  

int main()   


    float radius, area;  

    printf(“Enter radius of circle\n”);  

    scanf(“%f”, & radius);  

    area = PI * radius * radius;  

    printf(“Area of circle : %0.4f\n”, area);  

    return 0;  



Enter radius of circle


Area of circle : 5025.6001

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