Write a C Program to Calculate perimeter and area of circle

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#include <stdio.h>

#include <math.h>

#include<conio.h>

main()

{

    float r,p,a;

    printf("Enter the radius of Circle:\n");

    scanf("%f",&r);

    p=2*3.14*r;

    a=3.14*r*r;

    printf("The perimeter of circle is:%f\n",p);

    printf("The area of circle is:%f\n",a);

    

    getch();

}