Mega Tetra!
Geometry
Level
pending
An octahedron and four tetrahedra with faces of the same size are put together to form a large tetrahedron.
If the volume of one of the tetrahedra is one, what is the volume of the newly formed "mega-tetrahedron"?
The answer is 8.
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1 solution
Since the linear dimension is doubled, the volume is multiplied by 8.