Point A of a triangle is at (2, 2). Point B is a reflection of point A across the x-axis, and point C is 5 units directly to the left of point B. What are the triangle's dimensions? Note: You may wish to plot the points on your own piece of graph paper.
AB = 4, BC = 4
Too little information has been provided.
AB = 5, BC = 5
AB = 4, BC = 5