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