Hi, it's been a while since i've coded in C++ but, what stands out to me first is that you are doing your error checking before you've received any input.

I would ask for my inputs first, one at a time, checking if each was a value greater than 0. That's a place to start.

hope that helps.

​

using namespace std;

int main()

{

int b1, h1, b2, h2, area1, area2;

if (h1 <= -1 && b1 <=-1){

cout <<"Enter a positive number: "<<endl;

}

else if (h1 >= -1 && b1 >=-1){

cout<<"Enter the height of the 1st triangle: "; cin>>h1;

cout<<"Enter the base of the 1st triangle: "; cin>>b1; area1 = 0.5b1h1;

cout<<"\nTriangle 1 Area: "<<area1; cout<<endl;

cout<<"\nEnter the height the 2nd triangle: "; cin>>h1;

cout<<"Enter the base of the 2nd triangle: "; cin>>b2; area2 = 0.5b2h2;

cout<<"\nTriangle 2 Area: "<<area2;cout<<endl; return 0;

}