# Ten points on a circle

Geometry Level pending

There are ten points on a circle that are equally spaced, namely $$A_1, A_2, A_3,\ldots,A_{10}$$.

If $$C$$ is the center of the circle, what is the measure in degrees, of the angle $$A_1A_5C$$?

###### Problem and Image: Courtesy Waterloo University
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