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The sides of triangle ABC are AB = 13 cm, AC = 15 cm and BC = 14 cm. Find the length of the median AD.

Competition practiceGeometry
  • A2√37 cm
  • B12 cm
  • C13.5 cm
  • D√170 cm

Step-by-Step Solution

By Apollonius' theorem, , so and cm. (12 cm is the altitude from A, not the median.)
Answer: A) 2√37 cm

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