Help mee plz this would mean a lot to me if i get help

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart