Mathematics, 13.10.2019 15:30 netflixacc0107

Which choice can be used to confirm that a quadrilateral is a parallelogram
a. quadrilateral is a parallelogram if it has two pairs of parallel sides
b. a quadrilateral is a parallelogram a good has two congruent sides and two non-congruent sides
c. a quadrilateral is a parallelogram if it has two adjacent congruent angles
d. quadrilateral is a parallelogram if it has opposite angles that are not congruent

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