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Mathematics 15 Online
OpenStudy (anonymous):

Can someone explain to me why this is the right answer??

OpenStudy (anonymous):

If mACB = 48° and mCAB = 47°, is line BC a tangent to circle A? Student Answer: INCORRECT Yes, becauseABC is a right angle. CORRECT No, becauseABC is not a right angle. Yes, becauseABC is an acute angle. Yes, because the sum of the measures of the angles of ABC is 180°.

OpenStudy (anonymous):

OpenStudy (anonymous):

why is B the right answer?

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