#include <stdio.h>

double TriArea(double, double);

int main() {

    double base, height, area;

    printf("Enter the length of the base of your triangle >>");

    scanf("%lf", &base);

    printf("\nEnter the height of your triangle >>");

    scanf("%lf", &height);

    area = TriArea(base,height);

    printf("\nThe area is %f", area);

    return 0;

}

double TriArea(double b1, double h1) {

    double a1;

    a1 = .5 * b1 * h1;

    return a1;

}