Which of the following statements is true and would show that the 4 points are the vertices if a parallelogram? A. DA=AB=BC=CD=square root 17

B. AB=CD=square root13;DA=BC=square root 17

C. DB= square root 18;AC=square root 38

D. M__=M=__=3/2
AB. AD

Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.