text: #include "CircleLawn.h"
  
  namespace lab5
  {
  	CircleLawn::CircleLawn(unsigned int length)
  		: Lawn()
  	{
  		mRadius = length;
  	}
  
  	inline unsigned int CircleLawn::GetArea() const
  	{
  		double tmp = PI * mRadius * mRadius;
  		return static_cast<unsigned int>(tmp + 0.5);
  	}
  }