Implementing 2D point Geometry

#include<stdio.h>

#include<math.h>

//Initializing the structure point

struct point{

float x;

float y;

};

//Function to find and return the value of distance between two points

float distance(struct point p1, struct point p2){

float distance;

distance = (float) sqrt((p1.x - p2.x)*(p1.x - p2.x) + (p1.y - p2.y)*(p1.y - p2.y));

return distance;

}

struct point mid_point(struct point p1, struct point p2){

struct point p3;

p3.x = (p1.x + p2.x )/2;

p3.y = (p1.y + p2.y)/2;

return p3;

}

//Function to find the slope of given two points

float slope(struct point p1, struct point p2){

float m;

m = (p1.y - p2.y) / (p1.x - p2.x);

return m;

}

int main (){

struct point p1,p2,p3;

printf("Enter x coordinate: ");

scanf("%f", &p1.x);

printf("Enter y coordinate: ");

scanf("%f", &p1.y);

printf("Enter x coordinate: ");

scanf("%f", &p2.x);

printf("Enter y coordinate: ");

scanf("%f", &p2.y);

printf("%.2f is distance\n", distance(p1,p2));

p3 = mid_point(p1,p2);

printf("(%.2f , %.2f) is midpoint\n", p3.x , p3.y);

float m = slope(p1,p2);

printf("%.2f is slope\n", m);

}