#include #include #include const double PI = 4 * atan(1); #define DEGTORAD(D)((D * PI) / 180.0) // Converts Degrees to radians #define RADTODEG(R)((180.0 * R) / PI) //Converts Radians to Degrees using namespace std; bool isTriangle(double a, double b, double c){ if((a+b>c) && (a+c>b) && (b+c>a)){ return true; } else return false; } double getStepene(double a){ return trunc(a); } double getMinutes(double a){ double dMinutes; dMinutes= a - trunc(a); dMinutes*=60; return dMinutes; } // dMinutes=trunc(dMinutes); double getSeconds(double a){ double dSeconds; dSeconds= a - trunc(a); dSeconds*=60; dSeconds=trunc(dSeconds); return dSeconds; } int main() { cout << "Unesite tri broja: "; double a,b,c; cin >> a >> b >> c; bool bTrougao; bTrougao=isTriangle(a,b,c); if(bTrougao){ double s,p,o; cout << "Obim trougla sa duzinama stranica " << a << ',' << b << " i " << c << " iznosi " << a+b+c << "." << endl; s = (a+b+c)/2; p = sqrt(s*(s-a)*(s-b)*(s-c)); cout << "Njegova povrsina iznosi " << p << "." << endl; double alfa,beta,gama,calfa,cbeta,cgama; cgama=cos((a*a+b*b-c*c)/2*a*b); gama= acos(cgama); gama = RADTODEG(gama); cbeta=cos((a*a+c*c-b*b)/2*a*c); beta = acos(cbeta); beta = RADTODEG(beta); alfa = 180-(gama+beta); double Stepeni,Minutes, Seconds; if((alfa < beta) && (alfa < gama)){ Stepeni = getStepene(alfa); Minutes = getMinutes(alfa); Seconds = getSeconds(Minutes); Minutes = trunc(Minutes); } if((beta < alfa) && (beta < gama)){ Stepeni = getStepene(beta); Minutes = getMinutes(beta); Seconds = getSeconds(Minutes); Minutes = trunc(Minutes); } if((gama < alfa) && (gama < beta)){ Stepeni = getStepene(gama); Minutes = getMinutes(gama); Seconds = getSeconds(Minutes); Minutes = trunc(Minutes); } cout << "Njegov najmanji ugao ima " << Stepeni << " stepeni, " << Minutes << " minuta i " << Seconds << " sekundi." << endl; } else cout << "Ne postoji trougao cije su duzine stranica " << a << ", " << b << " i " << c << "!" << endl; return 0; }

Triangle calculator