Question

Is anyone able/willing to help me? http://puu.sh/nMf8f/3138cb3002.png

Answer 1

I think I have gotten the rest. I need help on numbers 10, 12, and 13

Answer 2

@dinamix

Answer 3

<OAB = <OBA right?

Answer 4

then <OBC + <OBA = <ABC
then with <ABC you can find arc AC

Answer 5

hmm, let me see if i can figure this out

Answer 6

Does 65 sound right?

Answer 7

@sleepyhead314 does <AOC = AC

Answer 8

i mean angle AC

Answer 9

@anarchy85 oh yeah sorry I almost forgot!
65 is almost right! <ABC = 65 is right

I just forgot that arc AC would equal 2 times <ABC