C - Program to Find Type of Triangle (equilateral, isosceles and scalene)
#include<stdio.h>
#include<math.h>
#include<conio.h>
void main()
void main()
{
int a, b, c;
float s, area;
printf("Enter the values of the sides of the triangle: \n");
scanf("%d %d %d", &a, &b, &c);
if ((a + b > c && a + c > b && b + c > a) && (a > 0 && b > 0 && c > 0))
{
s = (a + b + c) / 2.0;
area = sqrt((s * (s - a) * (s - b) * (s - c)));
if (a == b && b == c)
{
printf("Equilateral Triangle. \n");
printf("Area of Equilateral Triangle is: %f", area);
}
else if (a == b || b == c || a == c)
{
printf("Isosceles Triangle. \n");
printf("Area of an Isosceles Triangle: %f", area);
}
else
{
printf("Scalene Triangle. \n");
printf("Area of Scalene Triangle: %f", area);
}
}
int a, b, c;
float s, area;
printf("Enter the values of the sides of the triangle: \n");
scanf("%d %d %d", &a, &b, &c);
if ((a + b > c && a + c > b && b + c > a) && (a > 0 && b > 0 && c > 0))
{
s = (a + b + c) / 2.0;
area = sqrt((s * (s - a) * (s - b) * (s - c)));
if (a == b && b == c)
{
printf("Equilateral Triangle. \n");
printf("Area of Equilateral Triangle is: %f", area);
}
else if (a == b || b == c || a == c)
{
printf("Isosceles Triangle. \n");
printf("Area of an Isosceles Triangle: %f", area);
}
else
{
printf("Scalene Triangle. \n");
printf("Area of Scalene Triangle: %f", area);
}
}
else {
printf("Triangle formation not possible");
}
getch();
}
