Computer Programming C Laboratory: Basic C Programs

Write a C program to calculate slope and midpoint of a line

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Simple Computational C Problems - Basic C Programs

Write a 'C' program to calculate slope and midpoint of a line.

Let x1, y1 and x2, y2 are the coordinates of the extremities of the line.

The slope of this line is

Slope = [y2‒yl] / [x2‒x1]

For mid point of the line is

x co‒ordinate is x = [x1+x2] / 2

y co‒ordinate is y = [y2+yl] / 2

for this problem x1,y1, x2,y2 are the inputs, slope is output.

/* Program to calculates slope and midpoint of a line */

#include<stdio.h>

main()

{

/* Local definition */

float x,y,x1,x2, yl, y2, slope;

*Statements */

printf("Enter the First Point xl,yl...");

scanf("%f%f", &x1, &yl);

printf("Enter the Second Point x2,y2..........");

scanf("%f%f", &x2, &y2);

slope = (y2‒y1)/(x2‒x1); /* calculates the slope value */

x=(x1+x2)/2.0; /* calculates x value */

y=(y1+y2)/2.0; /* calculates y value */

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

printf("Mid Point is.....%f, %f", x,y);

} /* main */

OUTPUT

Enter the First Point x1,y1... 10 20

Enter the Second Point x2,y2... 30 40

Slope is.....1.000000

Mid Point is.....20.000000, 30.000000

EXPLANATION: In the program the variables x1, y1 and x2, y2 are read through the keyboard. The variable slope holds the result of (y2‒y1)/(x2‒x1) then x is calculated by (x1+x2)/2.0 and y value is calculated by (y1+y2)/2.0. Finally the slope value is printed and midpoint is printed from the variables x and y.

Computer Programming C Laboratory: Basic C Programs : Tag: C Programming : - Write a C program to calculate slope and midpoint of a line

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Computer Programming C Laboratory: Basic C Programs

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