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IMAS 2018 — Upper Primary Grades 5–6 — Round 2 Question 4

IMAS · IMAS 2018 — Upper Primary Grades 5–6 — Round 2

Question 4

In the figure below, a circular cone and a cube are shown. If a solid shape is formed by attaching the two shapes together, what is the least surface area, in cm² , of the resulting shape? (Take π as 3.14,, and round off to ONE decimal place)

Question illustration
  1. 785.5
  2. 942.5
  3. 1000.5
  4. 1021.0
  5. 1099.5