Answer:
actual answer is 77.32 !
Step-by-step explanation:
Answer:
well with this photo, all i can say is that B=90°
Step-by-step explanation:
resend the photo and I'll find the rest angles for you :)
Answer:
B
Step-by-step explanation:
it is B because i dont know how to explain it but just look at it very closely and then look back
AB is a chord that passes through the center O, which means the central angles BOC and AOC are supplementary. So

Central angles and the arcs they subtend have the same measure, so that

