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- #include <iostream>
- #include <cstdlib>
- using namespace std;
- double area(double a, double b, double h)
- {
- double s;
- s = 0.5*(a + b)*h;
- return s;
- }
- int main() {
- setlocale(LC_ALL, "Bulgarian");
- double a, b, h;
- cout << "Въведи стойност на а : "; cin >> a;
- cout << "Въведи стойност на b : "; cin >> b;
- cout << "Въведи стойност на h : "; cin >> h;
- cout << endl << "Лицето на трапеца е : "; printf("%.2f\n", area(a, b, h));
- cout << endl << "К = area(a, b, h) - 10 = "; printf("%.2f\n", area(a, b, h)-10);
- cout << endl;
- system("pause");
- }
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