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- #include <iostream>
- #include <cmath>
- void main()
- {
- setlocale(NULL, "");
- float a, b, c;
- std::cout << "Введите 3 стороны треугольника: ";
- std::cin >> a >> b >> c;
- float p = (a + b + c) / 2;
- std::cout << "Площадь: " << sqrt(p * (p - a) * (p - b) * (p - c)) << std::endl;
- std::cin.get(); // system("pause");
- }
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