计算三角形面积
#include<stdio.h>
#include<math.h>
void main()
{
double a, b, c, s, area;
printf("输入三角形三边");
scanf("%lf,%lf,%lf", &a, &b, &c);
s = (a + b + c) / 2;
area = sqrt(s*(s - a)*(s - b)*(s - c));
printf("三角形面积=%lf\n", area);
}
计算三角形面积
#include<stdio.h>
#include<math.h>
void main()
{
double a, b, c, s, area;
printf("输入三角形三边");
scanf("%lf,%lf,%lf", &a, &b, &c);
s = (a + b + c) / 2;
area = sqrt(s*(s - a)*(s - b)*(s - c));
printf("三角形面积=%lf\n", area);
}