c1= circle(x =0,y=50,r=50) r=rectangle(x=0,y=0,w=50,h=50) c2=circle(x=-50,y=0,r=50) c3=circle(x=50,y=0,r=50) c4=circle(x=0,y=-50,r=50) c5=circle(x=0,y=0,r=100) show(c1) show(c2) show(c3) show(c4) show(c5) show(r)