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Vocabulary flashcards covering the key terms, definitions, and properties of 3D objects.
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3D objects
Solid objects.
Vertex
A single corner or point at which the edges of a 3D object meet (plural: vertices).
Faces
The flat surfaces of a 3D object.
Edges
The line where two faces of a 3D object meet.
Tetrahedron
A triangle-based pyramid.
Rectangular prism
A solid 3D object that has 6 faces, 8 vertices, and 12 edges.