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1985 AMC 12 Question 25

AMC12 · 1985 AMC 12

Question 25

The volume of a certain rectangular solid is $8\text{ cm}^3,$ its total surface area is $32\text{ cm}^2,$ and its three dimensions are in geometric progression. The sum of the lengths in cm of all the edges of this solid is
  1. $28$
  2. $32$
  3. $36$
  4. $40$
  5. $44$