cone.cpp

这个是继承与派生的实验

//圆锥.cpp
 
#include<iostream.h>
#include<string.h>
#include"cone.h"
#include<math.h>
const double PI=3.14159;
cone::cone(double R,double h,double a):circle(R)
{
	hight=h;
    angle=a;
}
double cone::setA(double R,double h,double a)   //求面积
{	
	
	Area=a*pow(R,2)/2.0+PI*pow(R,2);
	return Area;

}
double cone::setV(double R,double h,double a)   //求体积
{	
	 Volume=PI*pow(R,2)*h/3.0;
     return Volume;
}


void cone::print()const
{
	cout<<"圆锥表的面积为:"<<Area<<endl;
	cout<<"圆锥的体积为:"<<Volume<<endl;
}