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IKMC 2016 - Grades 9-10 - Self-study Question 4

IKMC · IKMC 2016 - Grades 9-10 - Self-study

Question 4

Four of these coordinate points are vertices of a square. Which point is not a vertex of that square?
  1. (−1;3)
  2. (0;−4)
  3. (−2;−1)
  4. (1;1)
  5. (3;−2)