#include <math.h> #include <stdio.h> int main() { int a, b,c; scanf("%d %d %d",&a,&b,&c); float cir=a+b+c; float p =(float)cir/2; float area = sqrt(p*(p-a)*(p-b)*(p-c)); printf("circumference=%.2f area=%.2f",cir,area); return 0; }
#include <math.h> #include <stdio.h> int main() { int a, b,c; scanf("%d %d %d",&a,&b,&c); float cir=a+b+c; float p =(float)cir/2; float area = sqrt(p*(p-a)*(p-b)*(p-c)); printf("circumference=%.2f area=%.2f",cir,area); return 0; }