diff --git a/Order Of Programs.md b/Order Of Programs.md
index 98ca507..37029e6 100644
--- a/Order Of Programs.md	
+++ b/Order Of Programs.md	
@@ -19,4 +19,5 @@
 |17        | PositiveOrNegative.c | PositiveOrNegative.exe | WAP to find out a given number is positive, negative or 0 |
 |18        | Grade.c | Grade.exe | Use else if ladder statements to find out the result grade from the percentage (Mentioned in file of the program) |
 |19        | Admission.c | Admission.exe | to find the eligibility of admission for a professional course based on the following criteria (Mentioned in file of the program) |
-|20        | QuadraticEquatic. | QuadraticEquatic.exe | WAP to calculate the root of a Quadratic Equation |
\ No newline at end of file
+|20        | QuadraticEquatic. | QuadraticEquatic.exe | WAP to calculate the root of a Quadratic Equation |
+|21        | Triangle.c | Triangle.exe | WAP to check whether a triangle can be formed by the given value for the angles |
\ No newline at end of file
diff --git a/Triangle.c b/Triangle.c
new file mode 100644
index 0000000..9debe03
--- /dev/null
+++ b/Triangle.c
@@ -0,0 +1,19 @@
+// WAP to check whether a triangle can be formed by the given value for the angles.
+
+void main() {  
+    int anga, angb, angc, sum; //are three angles of a triangle  
+
+    printf("Input three angles of triangle : ");  
+    scanf("%d %d %d", &anga, &angb, &angc);  
+
+    /* Calculate the sum of all angles of triangle */  
+    sum = anga + angb + angc;   
+
+    /* Check whether sum=180 then its a valid triangle otherwise not */  
+    if(sum == 180) {  
+        printf("The triangle is valid.\n");  
+    }  
+    else {  
+        printf("The triangle is not valid.\n");  
+    }  
+} 
diff --git a/Triangle.exe b/Triangle.exe
new file mode 100644
index 0000000..8f36b5a
Binary files /dev/null and b/Triangle.exe differ