Mathematics for IGCSE & O level - Angles (Section 3 - No. 33) | ExamPlay

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Mathematics for IGCSE & O level - Angles (Section 3 - No. 33)

If a quadrilateral has angles of 60°, 120°, and 70°, what is the value of the fourth angle?

60°

90°

110°

120°

Selitys

360-60-120-70=110

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