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Supplementary Angles?

Geometry Level 2

Given that \(\color{red} D = 150^\circ\), Find the measure of the sum of angles \(\color{blue}A + \color{blue}B + \color{blue}C \).

\[300^\circ\] \[330^\circ\] \[360^\circ\] \[390^\circ\]

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by Twisting Tiger

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