AC is tangent to circle o at point C.
What is the measure of <OAC

∠OAC = 27°

Step-by-step explanation:

When a line is tangent to a circle, the part where the radius meets with the line of tangency will be a right angle. Since we know this, we know that ∠C is equal to 90°. We also know that all of the angles in a triangle will add up to be 180°.

We can now add up the two angles we know and subtract it from 180° to get the measurement of ∠OAC.

∠OAC = 27°

30005

yes ok                                            

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