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Two congruent square pyramids with 1*1 base are attached to two opposite faces of a 1*1*1 cube. How many faces does the resulting figure have?

Sagot :

When two congruent square pyramids are attache to two opposite faces of a cube, the visible faces are:

Pyramids = 2 (4) = 8 faces
Cube = 4 (1) = 4 faces

Add:
8 + 4 = 12 faces

ANSWER:  12 faces