# Check triangle is equilateral, isosceles or scalene

Write a C Program to check triangle is a equilateral, isosceles or scalene. Here’s simple Program to check triangle is a equilateral, isosceles or scalene in C Programming Language.

**A triangle is : :**

- A triangle is
**equilateral triangle**, If it’s sides are equal.

- A triangle is
**isosceles triangle**, If any two sides of a triangle are equal.

- A triangle is
**scalene triangle**, If none of the sides are equal.

Below is the source code for C Program to check triangle is a equilateral, isosceles or scalene which is successfully compiled and run on Windows System to produce desired output as shown below :

**SOURCE CODE : :**

**SOURCE CODE : :**

/* C Program to check triangle is a equilateral, isosceles or scalene */ #include<stdio.h> #include<conio.h> int main() { int x,y,z; printf("Enter the sides of a triangle(x,y,z):: \n"); scanf("%d %d %d",&x,&y,&z); if((x==y) && (y==z)) { printf("\nThe triangle is equilateral."); } else if((x==z) || (y==z) || (x==y)) { printf("\nThe triangle is isoseles."); } else { printf("\nThe triangle is scalene."); } return 0; }

**OUTPUT : :**

**OUTPUT : :**

/* C Program to check a triangle is a equilateral, isosceles or scalene */ -------------------------FIRST RUN--------------------- Enter the sides of a triangle(x,y,z):: 4 5 6 The triangle is scalene. --------------------------SECOND RUN-------------------- Enter the sides of a triangle(x,y,z):: 2 2 2 The triangle is equilateral. ----------------------THIRD RUN------------------------ Enter the sides of a triangle(x,y,z):: 4 4 6 The triangle is isoseles.

Above is the source code for C Program to check triangle is a equilateral, isosceles or scalene which is successfully compiled and run on Windows System.The Output of the program is shown above .

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