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SEAMO 2021 — Paper E — Grade 9–10 Question 17

SEAMO · SEAMO 2021 — Paper E — Grade 9–10

Question 17

In $\triangle ABC$, $\angle C=3\angle A$, $BC=3$, $AB=5$. Find $AC$.
  1. $\sqrt{\frac{32}{3}}$
  2. $5\sqrt3$
  3. $8\sqrt2$
  4. $\sqrt{\frac{25}{2}}$
  5. None of the above