Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A three-dimensional object exists in physical space and has length, width, and height dimensions. It occupies space and can be seen from different angles.
Related terms
Two-Dimensional Object: A two-dimensional object exists only on a flat surface and has length and width but no height dimension.
Solid Figure: A solid figure is another term for a three-dimensional object. It can be made up of various shapes and has volume.
Polyhedron: A polyhedron is a three-dimensional object with flat polygonal faces, straight edges, and sharp corners. Examples include cubes, pyramids, and prisms.