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VTMO 2026 - Grade 9 - Semifinal - SET 2 - Self-study Question 6

VTMO · VTMO 2026 - Grade 9 - Semifinal - SET 2 - Self-study

Question 6

An equilateral triangle has side length 1. Find the radius of its incircle.

Question illustration
  1. 1
  2. $\frac12$
  3. $\frac{\sqrt3}{2}$
  4. $\frac1{2\sqrt3}$
  5. $\frac{\sqrt3}{4}$