#include
#include

int main()
{
float a,b,c,d,e,f,g,h,i,j;

printf("panjang alas segitiga= ");
scanf("%f",&a);
printf("tinggi segitiga= ");
scanf("%f",&b);

c=0.5*a*b;
printf("luas segitiga= %f\n",c);

printf("jari-jari lingkaran= ");
scanf("%f",&d);

e=2*3.14*d;
printf("keliling lingkaran= %f\n",e);

f=3.14*d*d;
printf("luas lingkaran= %f\n",f);

printf("panjang balok= ");
scanf("%f",&g);
printf("lebar balok= ");
scanf("%f",&h);
printf("tinggi balok= ");
scanf("%f",&i);

j=g*h*i;
printf("volume balok= %f\n",j);
getch();
return 0;
}