Calculation: divide, product and PI
/* calculations on a table */
#include <stdio.h>
void main()
{
float r = 0.0f; /* The radius of the table */
float d = 2.0f; /* The diameter of the table */
float c = 0.0f; /* The circumference of the table */
float area = 0.0f; /* The area of a circle */
float Pi = 3.14159265f;
r = d/2.0f; /* Calculate the radius */
c = 2.0f*Pi*r; /* Calculate the circumference */
area = Pi*r*r; /* Calculate the area */
printf("\nThe circumference is %.2f", c);
printf("\nThe area is %.2f\n", area);
}
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