Mathematics for IGCSE & O level - Angles (Section 1 - No. 17) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 1 - No. 17)

What is the measure of each interior angle in a regular octagon?

60°

120°

135°

150°

Vysvětlení

Interior angle = (n-2)*180/n = (8-2)*180/8 = 135°

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