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Mathematics 12 Online
OpenStudy (anonymous):

In the diagram of circle O, chords AC¯¯¯¯¯ and BD¯¯¯¯¯ are perpendicular to each other. If m∠COD = 95° what is m∠AOB? A;95° B;90° C;85° D;80° Can somebody help me plisss :(((

OpenStudy (rianiscool):

b

OpenStudy (anonymous):

b is wrong

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