19 lines
273 B
C++
19 lines
273 B
C++
#include "../include/Circle.h"
|
|
#include <string>
|
|
|
|
#define PI 3.141592653589793238463
|
|
|
|
using namespace std;
|
|
|
|
|
|
Circle::Circle(){r=0;}
|
|
|
|
Circle::Circle(float _r){r=_r;}
|
|
|
|
string Circle::type() const {
|
|
return "Circle";
|
|
}
|
|
|
|
float Circle::area() const {
|
|
return PI * r * r;
|
|
} |