#include <stdio.h>int main(void){ float radius = 0.0f; /* The radius of the table */ float diameter = 0.0f; /* The diameter of the table */ float circumference = 0.0f; /* The circumference of the table*/ float area = 0.0f; /* The area of a circle */ float Pi = 3.14159265f; /* PI */ printf("Input the diameter of the table:"); scanf("%f", &diameter); /* Read the diameter from the keyboard */ radius = diameter/2.0f; /* Calculate the radius */ circumference = 2.0f*Pi*radius; /* Calculate the circumference */ area = Pi*radius*radius; /* Calculate the area */ printf("\nThe circumference is %.2f", circumference); printf("\nThe area is %.2f\n", area); return 0;}