Show the output of the following code: #include using namespace std; const double PI = XXXXXXXXXX; double getArea(double radius) { return radius * radius * PI; } void displayArea(double radius) {...

Show the output of the following code:

#include
using namespace std;
const double PI = 3.14159; double getArea(double radius)
{
return radius * radius * PI;

}
void displayArea(double radius)

{
cout < getarea(radius)=""><>

}
int main()

{
double r1 = 1; double r2 = 10;
cout < getarea(r1)="">< end1;="">
}