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Chapter 11 Vocab
Chapter 11 Vocabulary
| Question | Answer |
|---|---|
| base | In two dimensions, one side of a triangle or polygon that is used to help find the area. In three dimensions, a plane figure, usually a polygon or circle, by which a three-dimensional figure is measured or named. |
| congruent | Having the same size and the same shape. |
| equilateral triangle | A triangle with three congruent sides. |
| heptagon | A polygon with seven sides and seven angles. |
| isosceles triangle | A triangle with two congruent sides. |
| lateral face | Any surface of a polyhedron other than a base. |
| nonagon | A polygon with nine sides and nine angles. |
| polygon | A closed plane figure formed by three or more line segments. |
| polyhedron | A solid figure with faces that are polygons. |
| prism | A solid figure that has two congruent, polygon-shaped bases, and other faces that are all rectangles. |
| pyramid | A solid figure with a polygon base and all other faces are triangles that meet at a common vertex. |
| quadrilateral | A polygon with four sides and four angles. |
| regular polygon | A polygon in which all sides are congruent and all angles are congruent. |
| scalene triangle | A triangle with no congruent sides. |
| unit cube | A cube that has length, width, and height of 1 unit. |
| volume | The measure of the space that a solid figure occupies. |
| angle | A shape formed by two rays that share the same endpoint. |
| vertex | The point where two or more rays meet; the point of intersection of two sides of a polygon; the point of intersection of three (or more) edges of a solid figure; the top point of a cone. |
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CoachD
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