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using namespace std;
float sa(int);
float vol(int);
int main()
int input;
cout<<"Surface Are: "<<sa(input)<<" square units."<<endl<<"Volume: "<<vol(input)<<" cubic units.";
return 0;
float sa(int input)
float s=(input+input+input)/2.0;
return 2*(4.0/2*sqrt(s*(s-input)*(s-input)*(s-input)));
float vol(int input)
float h=sqrt(2.0/3*input*input);
return (1.0/3*1.0/4*sa(input)*h);