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SEAMO 2022 — Paper C — Grade 5–6 Question 6

SEAMO · SEAMO 2022 — Paper C — Grade 5–6

Question 6

Twelve points lie on a circle. How many triangles can be formed by choosing three of them?
  1. $150$
  2. $180$
  3. $210$
  4. $220$
  5. $240$