三角形ABC中,a,b,c是A,B,C所对的边,S是该三角形的面积,且cosB/cosC=...答:he chose rookie point guard Norris - Kaul is perfect for this consideration. Riley and also the Heat coach Erik - Spoelstra to satisfy and talk about the Miami Heat next season, the Department can be improved,authenic nike air max, "Eric and i also sat down and chatted, we ...
C语言编程,已知三角形的三边长a,b,c,计算求三角形面积的公式为:_百 ...答:程序代码如下:include <stdio.h> include <math.h> int main(){ printf("输入三个边长:\n");float a,b,c;float s,area;scanf("%f%f%f",&a,&b,&c);s = (a+b+c)/2;area = sqrt(s*(s-a)*(s-b)*(s-c));if(a+b>c && b+c>a && a+c>b)printf("面积是%.2f\n"...
a=3.5,b=5.4,c=4.3,编程求的三角形面积,已知Area=√s*(s-a)(s-b)*...答:include <stdio.h> include<math.h> void main(void){ float a,b,c,s,t,area;scanf("%f%f%f",&a,&b,&c);s=(a+b+c)/2;t=s*(s-a)*( s-b)*(s-c);area=sqrt(t);print("area=%f\n",area);getchar();}