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Mathematics 20 Online
OpenStudy (kj4uts):

Mark all statements that are true. A. An angle that measures 2π/3 is a reflex angle. B. An angle that measure 170° is an obtuse angle. C. An acute angle is one that measures less than π/2 but more than π/4. D. An angle that measures 95° is an acute angle. I know D. is NOT the answer and B. is ONE of the ANSWERS I am just not sure about A. and C. Please help and explain. Thank you!

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