C program to print equilateral triangle

Before writing the C program to check whether the triangle is equilateral, we should know the properties of equilateral triangles. In geometry, an equilateral triangle is a triangle in which all three sides are equal.

#include <stdio.h>
int main()
{
int side1, side2, side3;
//Get sides of a triangle from the user
printf(“Enter sides of triangle\n”);
scanf(“%d%d%d”, &side1,&side2,&side3);
if((side1==side2) && (side2==side3))
{
//All sides are equal, so Equilateral triangle
printf(“Equilateral triangle.\n\n”);
}
else
{
printf(“Not a Equilateral triangle.\n\n”);
}
return 0;
 }

Output:

 

 

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