# Cut and Glue

Geometry Level 2

What is the external surface area of this staircase (including the bottom) if it was constructed from four pieces of a cubic foot of wood?

Details: The height of part A is $$\frac{1}{3} \text{ ft}$$ and the heights of parts B and C are $$\frac{1}{4} \text{ ft}$$ each.

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