Start learning →

Starting from a constructed 90 degree angle, how many successive bisections give 22.5 degrees?

A1
B3
C2
D4
Answer & Solution
Correct answer: C. 2
90 halves to 45 and then halves again to 22.5, so two bisections are needed.
Practise this question with Quill — Olympiad (Class 7) →

Keep practising Constructions and Tilings

Browse all Constructions and Tilings questions for Olympiad (Class 7), or explore more Mathematics topics.

Start a Constructions and Tilings lesson →
Related questions