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Australian AMC 2021 - Senior Question 1

AMC AUSTRALIA · Australian AMC 2021 - Senior

Question 1

Each small triangle is the same size. What fraction of the largest triangle is shaded?

Question illustration
  1. $\frac12$
  2. $\frac13$
  3. $\frac14$
  4. $\frac25$
  5. $\frac38$