In Exercises 7 and 8, sketch a diagram of the description. 7. RS bisecting KL at point R 8. AB in plane U intersecting CD at point E, and point C not on plane U In Exercises 9-14, use the diagram to determine whether you can assume the statement. 9. Planes A and B intersect at EF. A B 10. Points C and D are collinear. 11. HJ and ID are perpendicular. 12. GD is a bisector of EF at point D. 13. TH = HG 14. ZHJD and ZHDJ are complementary angles. C H