Answer:
The method is as follows:
double square(int num){
return num*num;
}
Explanation:
Written in C++
This first line defines the method
double square(int num){
This line returns the square of num
return num*num;
}
<em>I've added the full program as an attachment where I include the main method</em>
Answer:
10%÷100 it is correct answer