A) class Circle: { private double centerX; double centerY; double radius; public setCenter(double, double); setRadius(double); } B) #include using namespace std; Class Moon; { Private; double...

A) class Circle:

{

private

double centerX;

double centerY;

double radius;

public

setCenter(double, double);

setRadius(double);

}

B) #include

using namespace std;

Class Moon;

{

Private;

double earthWeight;

double moonWeight;

Public;

moonWeight(double ew);// Constructor

{ earthWeight = ew; moonWeight = earthWeight / 6; }

double getMoonWeight();

{ return moonWeight; }

}

int main()

{

double earth;

cout >> "What is your weight? ";

cin

Moon lunar(earth);

cout <>

return 0;

}