R=20;n=6;
Linestyle(1,0x110000);
beginFill(0x11FFFF);
for(i=1;i<n+1;i++){
   alf=Math.PI*2/n*i;
   x=R*Math.cos(alf);
   y=R*Math.sin(alf);
   moveTo(0,0);lineTo(x,y)
   };

Linestyle(2,0x000000);
n=40;
function circle(R){
moveTo(R,0);
for(i=1;i<n+2;i++){
alf=Math.PI*2/n*i;
x=R*Math.cos(alf);
y=R*Math.sin(alf);
lineTo(x,y)};};


circle(R+10);
circle(R);
endfill();