Answer 1

double areaT(int a, int b, int h) {
return (0.5 * (a + b) * h);
}
double a, b, h, area;
cout << "Enter dimension a: ";
cin >> a;
cout << endl;
cout << "Enter dimension b: ";
cin >> b;
cout << endl;
cout << "Enter the height, h: ";
cin >> h;
cout << endl;
area = areaT(a, b, h);