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SASMO 2020 Grade 9 Question 14

SASMO · SASMO 2020 Grade 9

Question 14

A convex polyhedron has 48 edges. Its faces are either quadrilaterals or hexagons. Each vertex is an endpoint of exactly three edges. How many faces does the polyhedron have?
  1. 16
  2. 18
  3. 20
  4. 24
  5. None of the above