Figures that have parallel lines and do not have perpendicular lines., Figures that have obtuse angles only., Figures that have acute angles only., Figures that have right angles only., Figures that have both acute and obtuse angles but no right angles., Figures that have exactly 2 obtuse angles., Figures that have no parallel lines., Figures that have both parallel lines and perpendicular lines., These figures are obtuse triangles., These figures are acute triangles., These figures are right triangles., These figures are quadrilaterals., These figures are parallelograms.

4.6D Geometry

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