rendered paste body#include <iostream>using namespace std;double kwadrat() { double pole; double b; do { cout << "Podaj dlugosc boku: " << endl; cin >> b; } while(b<=0); pole = b*b; cout << "Pole tego kwadratu wynosi: " << pole << endl; return pole; }double trojkat(){ double pole,a,h; do { cout << "podaj bok trojkata " <<endl; cin >> a ; } while (a<=0); do { cout << "Podaj wysokosc trojkata " << endl; cin >> h; } while (h<=0); pole = a*h/2; cout << "Pole wynosi " << pole << endl; return pole; }double prostokat () { double a,b,pole; do { cout << "Podaj dlugosc 1-go boku: "; cin >> a; } while (a<=0); do { cout << "Podaj dlugosc 2-go boku: " ; cin >> b; } while (b<=0); pole = a*b; cout << "Pole wynosi " <<pole << endl; return pole; }double kolo() { double pole,r; const double pi=3.14; do { cout << "Podaj dlugosc promienia: "; cin >> r; } while(r<=0); pole=pi*r*r; cout << "Pole wynosi " <<pole << endl; return pole; system ("cls"); } int main (){ do { system("cls"); cout << "Jakiej Figury pole chcesz obliczyc? \n\n"; cout << " nr 1 - Pole Kwadratu\n nr 2 - Pole Trojkatu\n nr 3 - Pole Prostokata\n nr 4 - Pole Kola\n nr 0 - Wyjscie!\n" ; cout << endl; char ktore; cin >> ktore ; switch(ktore) { case '1': system("cls"); cout << "Wybrales Pole Kwadratu\n\n"; kwadrat(); system ("pause"); break; case '2': system("cls"); cout << "Wybrales Pole Trojkatu\n\n"; trojkat(); system ("pause"); break; case '3': system("cls"); cout << "Wybrales Pole Prostokata\n\n"; prostokat (); system ("pause"); break; case '4': system("cls"); cout << "Wybrales Pole Kola\n\n"; kolo (); case '0': return 0; default: cout << "Wybrales zly klawisz! " << ktore << " nie znam takiego! \n"; break; } } while(1);}