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ITMC 2018 Grade 7 National Preliminary set01 Question 18

ITMC · ITMC 2018 Grade 7 National Preliminary set01

Question 18

$ABC$ is an obtuse triangle. The perpendicular bisectors of $AB$ and $AC$ intersect at $O$. Which statement is true?
  1. O is outside triangle ABC
  2. O lies on a side of triangle ABC
  3. O is inside triangle ABC
  4. O is a vertex of triangle ABC
  5. The position cannot be determined