This the full program if anyone needs more

// Preprocessor directive to allow use of print( )
#include <stdio.h>

// Programmer-Created function below
void intro_msg (void);
float get_base1 (float);
float read_base1 (float);
float get_base2 (float);
float read_base2 (float);
float get_height (float);
float read_height (float);
float calc_area (float);
float display_results (float);
void  outro_msg (float);

int main( void )
{
        //STEP 1:Introduce Program:This program calculates the
        //       area of a trapazoid (Accomplished with a
        //       Programmer-Created function named
        //       intro_msg( ) )
        intro_msg( );

        //STEP 2: Ask user to enter the trapazoid's first base
        //        (Accomplished with Programmer-Created funtion
        //        named
        //        get_base1( ) )
        get_base1( );

        //STEP 3: Read the user's input for base 1 (Accomplished
        //        with Programmer-Created function named
        //        read_base1( ) )
        read_base1( );

        //STEP 4: Ask user to enter the trapazoid's second base
        //        (Accomplished with Programmer-Created function
        //        get_base2( ) )
        get_base2( );

        //STEP 5: Read the user's input for base 2 (Accomplished
        //        with Programmer-Created function
        //        read_base2( ) )
        read_base2( );

        //STEP 6: Ask user to enter the trapazoid's height
        //        (Accomplished with Programmer-Created function
        //        get_height( ) )
        get_height( );

        //STEP 7: Read the user's input for (Accomplished with
        //        Programmer-Created function
        //        read_height( ) )
        read_height( );

        //STEP 8: Calculate trapazoid's area using formula:
        //        area = 0.5 * (base1 + base2) * height
        //        (Accomplished with Programmer-Created function
        //        calc_area( ) )
        calc_area( );

        //STEP 9: Display Results (Accomplished with Programmer-
        //        Created function
        //        display_results( ) )
        display_results( );

        //STEP 10: Sign off with user (Accomplished with
        //         Programmer-Created function
        //         outro_msg( ) )
        outro_msg( );

        //STEP 11: Terminate
        return (0) ;

}


// Programmer-Created funtions below

void intro_msg (void)
{
        printf("\n This program calculates the area of a trapazoid");
        return 0 ;
}

float get_base1 (float)
{
        printf("\n Please enter the first base of the trapazoid: ");
        return 0 ;
}

float read_base1 (float)
{
        float base1 = 0.0

        scanf("f" , &base1);
        return base1;
}

float get_base2 (float)
{
        printf("\n Please enter the second base of the trapazoid: ");
        return 0 ;
}

float read_base2
{
        float base2 = 0.0

        scanf("f" , &base2);
        return base2;
}

float get_height (float)
{
        printf("\n Please enter the height of the trapazoid: ");
        return 0 ;
}

float read_height (float)
{
        float height = 0.0

        scanf("f" , &height);
        return height;
}

float calc_area (float)
{
        float area = 0.0

        area = 0.5 * (base1 + base2) * height;
        return area ;
}

float display_results (float area)
{
        printf("\n The area of the trapazoid is: %f \n");
        return 0 ;
}

void outro_msg (void)
{
    printf("\n Thank you for using this program, have a nice day.")
    return 0 ;
}