Discover answers to your most pressing questions at Westonci.ca, the ultimate Q&A platform that connects you with expert solutions. Experience the convenience of getting accurate answers to your questions from a dedicated community of professionals. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

which of the following are necessary when proving that the opposite angles of a parallelogram are congruent. Check all answers that apply. A.opposite sides are congruent B. opposite sides are perpendicular C. corresponding parts of congruent triangles are congruent D. corresponding parts of similar triangles are similar