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FMO 2026 - Grade 7 - National - Paper 08 Question 12

FMO · FMO 2026 - Grade 7 - National - Paper 08

Question 12

A rope of length 2 m is glued onto a cubic box, with both ends meeting at the red point. The three visible faces and visible rope segments are shown. What is the maximum total surface area of the cube?

Question illustration



Grading convention: use the illustrated straight, edge-parallel segments; the red point and the rope endpoint on the back-right edge are at mid-height. The remaining rope lies on the unseen faces.
  1. 9600 cm²
  2. 3750 cm²
  3. 5400 cm²
  4. 2400 cm²
  5. None of the above