4
#define M_PI 3.14159265358979323846
6
/* Move the shape to a new location */
7
void Shape::move(double dx, double dy) {
12
int Shape::nshapes = 0;
14
double Circle::area(void) {
15
return M_PI*radius*radius;
18
double Circle::perimeter(void) {
22
double Square::area(void) {
26
double Square::perimeter(void) {