Explore Westonci.ca, the premier Q&A site that helps you find precise answers to your questions, no matter the topic. Experience the ease of finding quick and accurate answers to your questions from professionals on our platform. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

4b. Quadrilateral ABCD has coordinates A(-3, 1) B(3, 4) C(6, 1) and D(0, -2). Prove that
quadrilateral ABCD is a parallelogram by proving opposite angles are congruent. Show work.