Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (unicornpoopcookies):

HELP? Will give Medals !!

OpenStudy (unicornpoopcookies):

OpenStudy (anonymous):

Piece of cake... You know that BOC is 42 degrees, so BOA must be half that, or 21 degrees. Since AB is tangent to circle O, then ABO must be 90 degrees. 180 - 90 - 21 = 69, so BAO has to be 69 degrees. Since BAO is 69, then so is CAO, and so BAC has to be 138 degrees.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
16 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
19 hours ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Arizona: does anyone know the percentage rate of 30,000 and 40,000
1 week ago 0 Replies 0 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!