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AMO 2025 Secondary 3 (Grade 9) Question 7

AMO · AMO 2025 Secondary 3 (Grade 9)

Question 7

Rotate $B=(7,4)$ counterclockwise by $90^\circ$ about $A=(3,2)$. Find $B^{\prime}$.

Question illustration
  1. $(10,6)$
  2. $(\sqrt{10},3)$
  3. $(1,6)$
  4. $(-2,-8)$