C语言求三角形的面积

C语言 求三角形的面积#include#includeint main(){double a,b,c,s,area;a=3.67;b=5.43;c=6.21;s=(a+b+c)/2;area=sqrt(s*(s-a)*(s-b)*(s-c));printf("a=%ftb=%ftc=%fn",a,b,c);printf("area=%fn",area);return 0;}