11. Which undefined term has a specific position but has no dimension or direction? A. line B. point C. plane D. angle 12.. Which of the following represents a plane? A. top of the table C. tip of a pen B. stretched rope D. corner of a rectangular box no 13. What do you call the lines that intersect at a point forming a right angle? A. perpendicular lines C. parallel lines B. diagonalsobru D. line segments an 14. Two angles with sum equal to 180°. A. supplementary angles C. nonadjacent angles B. vertical angles D. acute angles 15. What undefined term is represented by the edge of a ruler? B. point A. line C. plane D. angle anto​