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The angles of triangle $ABC$ satisfy $\angle A < \angle B < \angle C$. The difference between $\angle B$ and $\angle A$ is equal to the difference between $\angle C$ and $\angle B$. If $\angle A = 23^\circ$, then what is $\angle C$, in degrees?

 Mar 16, 2020
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Angle C = 180 - 23 = 157 degrees.

 Mar 17, 2020

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