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EUCLIDE's Elements.
5
XXXI. A Rhombus, or diamond-figure, is that which has four equal ſides, but is not right-angled; as A.
XXXII. A Rhomboides, or diamond-like figure, is that whoſe oposite ſides, and oppoſite angles, are equal; but has neither equal nor right angles; as GLMH.
XXXIII. All other quadrilateral figures beſides theſe are called Trapezia, or Tables: as GNDH.
XXXIV, Parallel, or equidiſtant right lines are ſuch, which being in the ſame ſuperficies, if infinitely produced, would never meet; as A and B.
XXXV. A Parallelogram is a quadrilateral figure, whose oppoſite ſides are parallel, or equidiſtant; as GLHM.
