/*
功能:计算三角形面积
日期:2013-06-08
*/
#include
#include
#include
double countAreaOfTtriangle...(double a,double b,double c);
int main(void)
{
double a,b,c,area;
printf("请输入三角形三条边的边长:");...scanf("%lf%lf%lf",&a,&b,&c);
area = countAreaOfTtriangle(a,b,c);
printf("该三角形的面积为:%.3lf",area)