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IKMC 2020 - Grades 11-12 - Brazil Second Application - Self-study Question 27

IKMC · IKMC 2020 - Grades 11-12 - Brazil Second Application - Self-study

Question 27

A cubical iceberg has 96.4% of its volume under water. The part above water has three equal edges along the three cube edges meeting at its exposed vertex. What percentage of the cube surface is in contact with air? Editorial clarification: these are the three equal exposed edge segments in the source wording.
  1. 9%
  2. 12%
  3. 15%
  4. 18%
  5. 21%