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Chapter 30
Solid Figures and Volume
| vocabulary | definitions |
|---|---|
| two-dimensional | measured in two directions, such as length and width |
| three-dimensional | measured in three directions, such as lenght, width, height |
| face | a polygon that is a flat surface on a solid figure |
| triangular prism | a solid figure with two triangular bases and three rectangular faces |
| triangular pyramid | a pyramid that has a triangular base and three triangular faces |
| edge | the line segment where two faces meet on a solid figure |
| vertex | a point where three or more edges meet on a solid figure; the top point of a cone |
| net | a two-dimensional pattern formed by polygons that can be folded to make a three-dimensional figure |
| volume | the measure of the space that a solid figure occupies |
| cubic units | units of volume with dimensions of 1 unit x 1 unit x 1 unit |