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- #include <iostream>
- int main()
- {
- setlocale(0, "ru_RU");
- const float Pi {22 / 7.0};
- int radius{ 1 };
- float length{ 0 };
- float area{ 0 };
- std::cout << "Введите радиус круга\n";
- std::cin >> radius;
- length = Pi * 2 * radius;
- area = Pi * radius * radius;
- std::cout << "Длина окружности " << length << "\nПлощадь круга " << area << '\n';
- }
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