1*70ec8419SPeterChou1 #include "Rectangle.h" 2*70ec8419SPeterChou1 Rectangle(double width,double height)3*70ec8419SPeterChou1Rectangle::Rectangle(double width, double height) 4*70ec8419SPeterChou1 : width_(width), height_(height) {} 5*70ec8419SPeterChou1 area() const6*70ec8419SPeterChou1double Rectangle::area() const { 7*70ec8419SPeterChou1 return width_ * height_; 8*70ec8419SPeterChou1 } 9*70ec8419SPeterChou1 perimeter() const10*70ec8419SPeterChou1double Rectangle::perimeter() const { 11*70ec8419SPeterChou1 return 2 * (width_ + height_); 12*70ec8419SPeterChou1 }