OOP HomeWork

oop_hw1/oop_hw1_4/t_area.cpp

@@ -0,0 +1,5 @@
+#include <cmath>
+double triangle_area(double a, double b, double c) {
+    double s = (a + b + c) / 2;
+    return sqrt(s * (s - a) * (s - b) * (s - c));
+}