From 29b40528c6b7fc5ac56acc6dc6054b5270349c73 Mon Sep 17 00:00:00 2001
From: Angeld55 <achi_d@abv.bg>
Date: Thu, 19 Sep 2019 21:17:07 +0300
Subject: Add files via upload

---
 Polymorphism/Triangle.hpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Polymorphism/Triangle.hpp

(limited to 'Polymorphism/Triangle.hpp')

diff --git a/Polymorphism/Triangle.hpp b/Polymorphism/Triangle.hpp
new file mode 100644
index 0000000..8372464
--- /dev/null
+++ b/Polymorphism/Triangle.hpp
@@ -0,0 +1,21 @@
+public:
+	Triangle(int x1, int y1, int x2, int y2, int x3, int y3) :Figure(3)
+	{
+		setPoint(0, x1, y1);
+		setPoint(1, x2, y2);
+		setPoint(2, x3, y3);
+	}
+	double getSide(int side)
+	{
+	    return getPoint(side).getDistTo(getPoint((side+1)%3));
+	}
+	double getPer()
+	{
+		return getSide(0)+getSide(1)+getSide(2);
+	}
+	double getArea()
+	{
+	   double halfP = getPer()/2; 
+	   return sqrt(halfP * (halfP-getSide(0))*(halfP-getSide(1))*(halfP-getSide(2)));
+	}
+};
\ No newline at end of file
-- 
cgit v1.3.1-23-gd82d