A quadrilateral with two pairs of opposite congruent sides. If ABCD is

Download scientific diagram | A quadrilateral with two pairs of opposite congruent sides. If ABCD is a rectangle, then it determines only one triangle, but if ABCD is not a rectangle, then △ABC and △BCD are distinct.   from publication: Optimal point sets determining few distinct triangles | We generalize work of Erdos and Fishburn to study the structure of finite point sets that determine few distinct triangles. Specifically, we ask for a given $t$, what is the maximum number of points that can be placed in the plane to determine exactly $t$ distinct triangles? | | ResearchGate, the professional network for scientists.

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A regular hexagon determines three distinct triangles.

PPT - EXAMPLE 1 PowerPoint Presentation, free download - ID:5289787

If two sides of a quadrilateral, are congruent and parallel it is a parallelogram? - Quora

QU11 If one pair of sides of a quadrilateral are both congruent and parallel, it is a parallelogram

Area of Quadrilateral - Formula, Definition, Solved Example, FAQs

6.3 Proving that a Quadrilateral is a Parallelogram>

Quadrilaterals

A regular hexagon determines three distinct triangles.

Is it true that a quadrilateral is a parallelogram if both pairs of opposite angles are congruent? - Quora

Answered: The following is a proof showing that…