I don't know about the top half but I know the bottom half. P.S. I'm sorry 8. AB is congruent to BC 9. EC is congruent to ED 10. angle TRS is congruent to angle RST 11. 42° 12. 76° 13. 12 14. 60° 15. 7 16. 4 17. angle ADC 18. angle 1 & 5 and angles 3 & 4 19. AC and DC