Mathematics for IGCSE & O level - Angles (Section 1 - No. 11) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 1 - No. 11)

A triangle has angles of 40° and 70°. What is the measure of the third angle?

40°

60°

70°

90°

Giải thích

180° - 40° - 70° = 70°.

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