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#include #include using namespace std; class kugla { private:// float r; public: float r; float Opseg() { return r*r; } float Povrsina() { return 4*r*r*3.14; } kugla (float x) {r=x;} kugla () {r=1;} }; int main() { kugla A(2); kugla B; kugla C(4); cout<