Pythagorus

Flowchart

Code

//Idtisak paopo

#include <stdio.h>

#include <stdlib.h>

#include <math.h>

int main()

{

char ch;

float side_a, side_b, side_c;

do

{

printf("\n This program calculates the longest side of a triangle\n");

printf("based on Pythagorean theorem\n");

printf("a. Run the program \n");

printf("e. Exit the program \n");

ch=getche();

if (ch!='e')

{

printf("\n");

printf("Please enter the 1st side \n");

scanf("%f", &side_a);

printf("Please enter the 2nd side \n");

scanf("%f", &side_b);

if ((side_a>=0)&&(side_b>=0))

{

side_c=sqrt(side_a*side_a+side_b*side_b);

printf("The longest side is %.3f \n",side_c);

}

else

{

printf("Invalid value, please try again\n");

}

}

else

printf("\n BYE! \n");

}

while (ch!='e');

return 0;

}