Write a program to find the square of the distance between two points. (For a more advanced problem, find the actual distance.
This problem involves using the standard function ‘sqrt’. Use your help system to find out more about how to use this function.)

/**********************************************************************
 * Write a program to find the square of the distance between two
 * points. (For a more advanced problem, find the actual distance.
 * This problem involves using the standard function 'sqrt'. Use your
 * help system to find out more about how to use this function.)
 **********************************************************************/

#include <stdio.h>
#include <math.h>

char line[100];             /* a line of keyboard input */
float distance;             /* distance between two points */
float square;               /* the square of the distance */
float square_root;          /* the square root of square */

int main() {
  printf("Enter the distance: ");
  fgets(line, sizeof(line), stdin);
  sscanf(line, "%f", &distance);

  square = distance * distance;
  printf("Square of distance is %f\n", square);

  square_root = sqrtf(square);
  printf("Square root of previous result is %f\n", square_root);

  return(0);
}
/*

OUTPUT:
Enter the distance: 100
Square of distance is 10000.000000
Square root of previous result is 100.000000



*/