Answer :
I guess you need solution on C++. Here is the code:
int main () { double areaofsquare; double length cin >> areaofsquare;
length = sqrt(areaOfSquare);
std::cout << length << std::endl; if(areaofsquare >= 0) { sqrt(areaofsquare); cout << areaofsquare << endl; } else { cout << "INVALID" << endl; }
}
int main () { double areaofsquare; double length cin >> areaofsquare;
length = sqrt(areaOfSquare);
std::cout << length << std::endl; if(areaofsquare >= 0) { sqrt(areaofsquare); cout << areaofsquare << endl; } else { cout << "INVALID" << endl; }
}