1 files changed, 5 insertions, 2 deletions
diff --git a/Triangle.h b/Triangle.h
index b0a7a2e..13311e8 100644
--- a/Triangle.h
+++ b/Triangle.h
@@ -3,6 +3,7 @@
 
 
 #include "Vertex.h"
+#include "Line.h"
 
 class Triangle {
   private:
@@ -30,10 +31,12 @@ class Triangle {
     
     Direction getDirection() const;
     
-    double area() const;
-    double perimeter() const;
+    float area() const;
+    float perimeter() const;
     
     bool contains(const Vertex &v) const;
+    bool onEdge(const Vertex &v) const;
+    int intersectionCount(const Line &l) const;
 };
 
 #endif /*TRIANGLE_H_*/