PLZ HELP ASAP LAST CIRCLES

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asked Aug 27, 2019 32.7k views

1 Answer

Sumit Kumar Gupta · Answer 1 · 2019-09-02T10:20:04+0000

AC and AB are tangents to circle O, meaning that the angles C and B are right angles of 90 degrees. Since a quadrilateral's internal angles must sum up to 360 degrees, this means that A + B + C + O = 360
70 + 90 + 90 + O = 360
O = 110 degrees.

PLZ HELP ASAP LAST CIRCLES

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