Question 340352
Jimmy? 
Fred?
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How about Rhombus, Diamond, Isoceles Trapezoid?
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{{{drawing(300,300,-10,10,-10,10,circle(0,4,0.2),circle(3,0,0.2),circle(0,-4,0.2),circle(-3,0,0.2),grid(1),line(0,4,3,0),line(3,0,0,-4),line(0,-4,-3,0),line(-3,0,0,4),graph(300,300,-10,10,-10,10,0))}}}