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Mathematics 15 Online
OpenStudy (anonymous):

The circle shown below has AB and BC as its tangents. If the measure of arc AC is 130°, what is the measure of angle ABC? Answer 50° 55° 60° 65°

OpenStudy (anonymous):

OpenStudy (anonymous):

Can someone help me?

OpenStudy (anonymous):

sum of angle in quadrilateral is 360, since AC arc is 130, and the other 2 sides forming the tangent is 90, whats left?

OpenStudy (anonymous):

50 degrees?

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