Mathematics for IGCSE & O level - Angles (Section 1 - No. 31) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 1 - No. 31)

If two lines meet at right angles, the angles are:

Obtuse

Acute

Complementary

Supplementary

הֶסבֵּר

Right angles form 90 degrees therefore are complementary.

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