BD bisects ZABC. Use the diagram and the given angle measure to find
the indicated angle measures.
B
14. m/ABD = 57°. Find m/DBC and m2ABC.
15. m/ABD = 70°. Find m/DBC and m2ABC.
16. mABC = 110°. Find m/ABD and mZDBC.
Find the angle measure.
17. LB is a supplement of ZA and mA =
65.2°. Find mZB.
18. LB is a complement of ZA and mA = 65.2°. Find mZB.