6.3. Parallelograms http://www.ck12.org
24.Opposite Angles Theorem
Given:ABCDis a parallelogram with diagonalBD
Prove:^6 A∼=^6 C}}
25.Parallelogram Diagonals Theorem
Given:ABCDis a parallelogram with diagonalsBDandAC
Prove:AE∼=EC,DE∼=EB
Use the diagram below to find the indicated lengths or angle measures for problems 26-29. The two quadrilaterals
that share a side are parallelograms.
26.w
27.x
28.y
29.z