Proving Quadrilaterals are Parallelograms

Picture of a parallelogram




A.) Opposite sides are parallel.
B.) Opposite sides are congruent.
C.) Opposite angles are congruent.
D.) Consecutive angles are supplementary.
E.) Diagonals bisect each other.
F.) One pair of sides is both parallel and congruent.
G.) A diagonal divides the quadrilateral into two congruent triangles.
H.) NONE


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