3. Given XY and ZW intersect at point A. Which conjecture is always true about the
given statement?
A. XA = AY
B. LXAZ is acute.
C. XY is perpendicular to ZW
D. X, Y, Z, and Ware noncollinear.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.