#include
float triangle(float width, float height)
{
float area;
area = width * height / 2.0;
return (area);
}
int main()
{
printf("Triangle #1 %f\n", triangle(1.3, 8.3));
printf("Triangle #2 %f\n", triangle(4.8, 9.8));
printf("Triangle #3 %f\n", triangle(1.2, 2.0));
return (0);
}