rjeseno sve

lv2/marinlv2/1-raznostranican.cpp

@@ -0,0 +1,12 @@
+#include <iostream>
+
+//heron: https://en.wikipedia.org/wiki/Heron%27s_formula
+//glasi: a=sqrt(s(s-a)(s-b)(s-c))
+//operatori: *,/,sqrt 
+int main() {
+	double s1, s2, s3;
+	std::cout << "unesi 3 stranice:";
+	std::cin >> s1 >> s2 >> s3;
+	std::cout << "povrsina je: " << (s1 + s2 + s3) / 2;
+
+}