Chapter 6.4: Proving Quadrilaterals are Parallelograms Flashcards
1
Q
Thm. 6.7
A
if both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
2
Q
Thm. 6.8
A
if both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
3
Q
Thm. 6.9
A
if an angle of a quadrilateral is supplementary to both consecutive angles, then the quadrilateral is a parallelogram.
4
Q
Thm. 6.10
A
if the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram.
5
Q
Thm. 6.11
A
if one pair of opposite sides of a quadrilateral are congruent and parallel, then the quadrilateral is a parallelogram.
