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Supplementary Angles?

Geometry Level 2

Given that $\color{#D61F06} D = 150^\circ$ , Find the measure of the sum of angles $\color{#3D99F6}A + \color{#3D99F6}B + \color{#3D99F6}C$ .

300^\circ

330^\circ

360^\circ

390^\circ

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by Twisting Tiger

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