text: #ifndef SQUAREPYRAMID_H_INCLUDED
  #define SQUAREPYRAMID_H_INCLUDED
  #include "cylinder.h"
  class SquarePyramid{
      float a;
      float h;
  public:
      SquarePyramid(float, float);
      float getH();
      float getA();
      friend bool Cylinder::isHigher(const SquarePyramid&);
      friend ostream& operator<<(ostream&,SquarePyramid&);
      friend istream& operator>>(istream&,SquarePyramid&);
  };
  
  #endif // SQUAREPYRAMID_H_INCLUDED
  