Write a program in C to Calculate the area and circumference of a circle.

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#include<stdio.h>

#include<conio.h>

#include<math.h>

main()

{

    int r;

    float area, circumference;

    

    printf("Enter the value of radius is here:\n");

    scanf("%d",&r);

    

    circumference=2*3.1416*r;

    

    printf("The total result=%f, ",circumference);

    getch();

}