lext 2 Triangle Properties: Mastery Test Select the correct answer. A. Using triangle ABC, how does extending vertex C further away to the left of vertex B verify the relationship between sides and angles in triangles? B. C. O D. nts reserved B by showing that as BC increases, m/C increases by showing that as BC increases, m/A remains the same by showing that as BC increases, m/A decreases by showing that as BC increases, m/A increases Reset > Next Submit​