Write a program that Area of a Trapezoid in C++

Write a program to find the  Area of a trapezoid?

Area of a trapezoid =(1/2)* (a+b)* h;

                           h = vertical height

Source Code:

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#include <iostream.h> #include <conio.h> int main() { float A, a, b, h; cout << "Area of a trapezoid Formula: A =(1/2)* (a+b)* h\n"; cout << "\tEnter the value of a?\n"; cin >> a ; cout << "\tEnter the value of b?\n"; cin >> b ; cout << "\tEnter the value of h?\n"; cin >> h; a = a + b; h = h * a; A = h * 0.5; cout << " \tArea of a trapezoid = " << A << " m^2 " << endl; getch(); return 0; } // end main

Output:

       Area of a trapezoid Formula: A =(1/2)* (a+b)* h                  
       Enter the value of a?
46
       Enter the value of b?
52
       Enter the value of h?
3
       Area of a trapezoid = 147 m^2