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Ede4ka [16]
3 years ago
5

O is the circumcenter of 4ABC. If OB = OC = BC, what is ∠BAC?

Mathematics
2 answers:
KonstantinChe [14]3 years ago
8 0

Answer:

This is a question for a test. I don't want sound mean but, next time please put in the work.

Step-by-step explanation:

Ahat [919]3 years ago
7 0

Answer:

36

Step-by-step explanation:

I drew a diagram on paper but cant here soooo....

but math checks out i think.

Angles AOD and COB are both 36.

Angles AOC and DOB are both 144.

DOB has to be 4 times angle COB, right? if so, then:

144 = 4*36. That checks out. Now to see if all the angles combined are 360.

36 + 36 + 144 + 144 =360. It works!

This is my first answer ever btw so if the formatting and grammar is bad im sorry.

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