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SASMO 2020 Grade 7 Question 11

SASMO · SASMO 2020 Grade 7

Question 11

Every face of a soccer ball is a pentagon or a hexagon. Each pentagon is adjacent to five hexagons; each hexagon is adjacent to three pentagons and three hexagons. There are 12 pentagonal faces. How many hexagonal faces are there?
  1. 12
  2. 20
  3. 24
  4. 8
  5. None of the above