diff --git a/src/TriangleChecker.java b/src/TriangleChecker.java
index 14f4841..7a8cac3 100644
--- a/src/TriangleChecker.java
+++ b/src/TriangleChecker.java
@@ -47,8 +47,10 @@ public class TriangleChecker {
 
   // Analyse der Dreiecksart
   public static TriangleType checkTriangle(float a, float b, float c) {
-    return TriangleType.NONE;
+
+    if (a+b>c || b+c>a || a+c>b) {
+      return TriangleType.NORMAL;
+    }
+      return TriangleType.NONE;
   }
-
-
 }
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