Mathematics for IGCSE & O level - Angles (Section 4 - No. 2) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 4 - No. 2)

In a triangle, two angles are 50° and 80°. What is the measure of the third angle?

30°

50°

60°

80°

解释

180 - 50 - 80 = 50

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