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Math Vocabulary
Chapter 21
Question | Answer |
---|---|
three-dimensional | measured in three directions, such as length, width, and height |
triangular prism | a prism that has triangles as bases |
triangular pyramid | a pyramid with a triangle-shaped base; also called a tetrahedron |
rectangular pyramid | a pyramid with a rectangular-shaped base |
face | a polygon that is a flat surface of a solid figure |
edge | the line segment where two faces of a solid figure meet |
vertex | the point at which two rays of an angle meet or two (or more) line segments meet in a plane figure, or where three or more edges meet in a solid figure; the top point of a cone |
base | a polygon’s side or a solid figure’s face by which the figure is measured or named |