Mathematics for IGCSE & O level - Angles (Section 4 - No. 6) | ExamPlay

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Mathematics for IGCSE & O level - Angles (Section 4 - No. 6)

If two lines are perpendicular, what is the angle between them?

30°

60°

90°

180°

Wyjaśnienie

Perpendicular lines meet at a 90° angle.

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