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CEMC Gauss (Grade 8), 1998

Geometry Difficulty 2.0 Junior Find the answer Canada

A cube measures $10\text{ cm}\times10\text{ cm}\times10\text{ cm}$ . Three cuts are made parallel to the faces of the cube as shown creating eight separate solids which are then separated. What is the increase in the total surface area?

(A) $300\text{ cm}^2$ (B) $800\text{ cm}^2$ (C) $1200\text{ cm}^2$ (D) $600\text{ cm}^2$ (E) $0\text{ cm}^2$

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