Answer:
4. b
5. d
6. d
7. c
8. a
9. c
Step-by-step explanation:
4. is a major arc bcus its measures are greater than a semi circle which is 180 degree.
5. AB = 50 , 50 divided by 2 is 25
6. im unsure about this one ;-;
7. its ADB bcus it is named by using the two endpoints and another point on the arc.
8. AXB bcus it is named by three endpoints of the arc.
9. mAX is equal to mBX which mAX is 50 degree therefore AX + BX is equal to 100.
please correct me if there are errors . i dont mind getting some of these wrong because im also unsure of some of the items here but im glad if it helped u >< !! dont give up , carry on learning .