In quadrilateral ABCD, diagonals AC and BD bisect one another: Quadrilateral ABCD is shown with diagonals AC and BD intersecting at point P. What statement is used to prove that quadrilateral ABCD is a parallelogram?
A. Angles ABC and BCD are congruent.
B. Sides AB and BC are congruent.
C. Triangles BPA and DPC are congruent.
D. Triangles BCP and CDP are congruent.

ANSWERS

2015-11-03 04:11:43

B. A parallelogram has congruent sides.

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