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  1. #include <stdio.h>
  2. int main()
  3. {
  4.   float Pi=3.14, area, circumference, radius;
  5.  
  6.  
  7.   printf("Enter radius of circle: ");
  8.   scanf("%f",&radius);
  9.  
  10.   area = Pi * radius * radius;
  11.   printf("Area of circle is: %f\n",area);
  12.  
  13.   circumference = 2 * Pi * radius;
  14.   printf("Circumference of circle is: %f",circumference);
  15.  
  16.   return 0;
  17. }
Success #stdin #stdout 0s 5264KB
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stdin
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stdout
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Enter radius of circle: Area of circle is: 1962.500000
Circumference of circle is: 157.000000
https://ideone.com/IsIJl0
area of circle and circumferece of circle
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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