Question 226 of 417MediumMCQ
If three of the six vertices of a regular hexagon are chosen at random, find the probability the resulting triangle is equilateral.
Solutions · 1
Official solution
Total triangles =6C3=20; equilateral triangles: 2 (alternating vertices).
\[P = \frac{2}{20}=\frac{1}{10}\] Answer the question to unlock