In geometry, a frustum (pl. frusta or frustums), is the portion of a solid (normally a pyramid or a cone) that lies between two parallel planes cutting the solid. In the case of a pyramid, the base faces are polygonal and the side faces are trapezoidal.
In geometry, a frustum (pl. frusta or frustums), is the portion of a solid (normally a pyramid or a cone) that lies between two parallel planes cutting the solid. In the case of a pyramid, the base faces are polygonal and the side faces are trapezoidal.
Source: Wikipedia "Frustum" · CC BY-SA 4.0
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