Question

Items 8-13: Indicate, by circling Yes or no, whether each quadrilateral is a parallelogram. If yes, Write the theorem number or definition that justifies your answers

Answer 1

Is the answer to number 11 no?

Answer 2

how do u know, it's no?

Answer 3

hmm idk i wouldnt be yes actually because two lines are parallel?

Answer 4

*would it be

Answer 5

i dont know what theorem proves it though

Answer 6

http://www.regentsprep.org/Regents/math/geometry/GP9/LParallelogram.htm

Answer 7

oh okay so the answer is no because there arent two pairs of parallel sides or equal sides... there is one pair of equal sides and one pair of parallel sides... no theorem matches the diagram.