Since AC is tangent to the circle at point A, angle YAC is equal to half of angle YBC (angle at the center of the circle that subtends the same arc BY).
Therefore, m∠YAC = 68/2 = 34°.
None of the given answer choices are correct.
AC is tangent to circle O at A.
If mBY=68°, what is m∡YAC?
56*
58*
62*
22*
1 answer