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QUADRILATERALS 4-SIDED POLYGONS - ppt download
A regular hexagon determines three distinct triangles.
What is a name for a quadrilateral with two pairs of parallel
Lesson 6-2 Tests for Parallelograms. Proving Quadrilaterals as
Quadrilaterals
Making Conjectures About Quadrilaterals
A quadrilateral with two pairs of opposite congruent sides. If ABCD is
Question Video: Properties of Parallelograms
Prove that, if both pairs of opposite sides of a quadrilateral are