The term "shape" can refer to different concepts depending on the context in which it is used: 1. **Geometry**: In mathematics, a shape is the form or outline of an object, defined by its boundaries. Common geometric shapes include circles, squares, triangles, and polygons. Shapes can be two-dimensional (2D) or three-dimensional (3D), with 2D shapes having length and width, and 3D shapes having length, width, and height.
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