#include #include using namespace std; main () { float a, b, c; cout<<"Nhap a = "; cin>>a; cout<<"Nhap b = "; cin>>b; cout<<"Nhap c = "; cin>>c; if ((a + b > c) && (a + c > b) && (b + c > a) && (a>0) && (b > 0) && (c > 0)){ cout<<" Thua quy ong, quy ba, day la "; if ((a == b) && (b == c) && (c == a)) cout<<"Tam giac deu"; else if (( a == b) || (b == c) || (a == c)) cout<<"Tam giac can"; else if (((a * a + b * b == c * c) && (a == b)) || ((a * a + c * c == b * b) && (a == c)) || (( c* c + b * b == a * a) && (c == b))) cout<<"Tam giac vuong can"; else if ((a * a == b * b + c * c) || (b * b == a * a + c * c) || (c * c == a * a + b * b)) cout<<"Tam giac vuong"; else cout<<"Tam giac thuong"; }else cout<<"Tam giac khong hop le"; getch(); }
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