What I Have Learned Activity 6: Sum It Up Instructions: In the table that follows, write T in the second column it your answer on the statement is true; otherwise, write F. Indicate the number of the propertylies (1, 2, 3, 4 and 5) that supports your TRUE answer by writing it on the third column. (Tor F) Propertyfies Statement 1. A quadrilateral is a parallelogram if both pairs of opposite sides are parallel. 2. A quadrilateral is a parallelogram if both pairs of opposite sides are congruent. 3. A quadrilateral is a parallelogram if both pairs of opposite angles are congruent. 4. A quadrilateral is a parallelogram if any two consecutive angles are complementary. 5. A quadrilateral is a parallelogram if exactly one pair of adjacent sides is perpendicular. 6. A quadrilateral is a parallelogram if only one pair of opposite sides is parallel.​