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Mathematics, 11.11.2020 06:00 hanglenn1

If two angles of a triangle measure 20 and 130 degrees, what is the measure of the third angle? A.) 40°
B.) 50°
C.) 30°
D.) 60°

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If two angles of a triangle measure 20 and 130 degrees, what is the measure of the third angle? A.)...

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