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1?
2?
3?
m minor arc BCD = 2 (angle A)
Inscribed Angle Theorem
2m (angle A) + 2 m (angle C) = 360°
Division Property of Equality
I didnt know there was four lol, do u by chance know the last one?
LOL!!!!....I didn't see that second one...see my added answer [ in red ] ....