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using namespace std;
template<class T>
T peri(T a)
{
T b;
b=3.14*2*a;
cout<<"perimeter of circle isn "<<b;
return 0;
}
template<class T>
T peri(T a,T b)
{
T c;
c=2*(a+b);
cout<<"perimeter of rectangle is n "<<c;
return 0;
}
template<class T>
T peri(T a,T b,T c)
{
T d;
d=a+b+c;
cout<<"perimeter of triangle is n"<<d;
return 0;
}
int main()
{
int a,b,c,d,e,f;
cout<<"enter the radius of circle in int";
cin>>a;
peri(a);
cout<<"enter the length and breadth of rectangle in int";
cin>>b>>c;
peri(b,c);
cout<<"enter the side length of triangle in int";
cin>>d>>e>>f;
peri(d,e,f);
float m,n,o,p,q,r;
cout<<"enter the radius of circle in float";
cin>>m;
peri(m);
cout<<"enter the length and breadth of rectangle in float";
cin>>n>>o;
peri(n,o);
cout<<"enter the side length of triangle in float";
cin>>p>>q>>r;
peri(p,q,r);
return 0;
}
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