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mod 9 vocb
| Question | Answer |
|---|---|
| area | the measure of the interior surface of a two-dimensional figure |
| center | the point from which all points on a circle are the same distance |
| circle | the set of all points in a plane that are the same distance from a given point called the center |
| circumference | the distance around a circle. |
| composite figure | a figure that is made up of two or more figures |
| diameter | the distance across a circle through its center |
| face | a flat surface of a polyhedron |
| lateral face | a polyhedron, a face that is not a base |
| pi | the ratio of the circumference of a circle to its diameter. The Greek letter represents this number. The value of pi is 3.1215926.... Approximations for pi are 3.14 and 22/7 |
| prism | A polyhedron with two parallel congruent faces called bases. |
| prymid | A polyhedron with one base that is a polygon and three or more triangular faces that meet at a common vertex. |
| regular pyramid | a pyramid whose base is a regular polygon and in which the segment from the vertex to the center of the base in the altitude |
| Semicircle | half of a circle. The formula for the area of a semicircle is A= |
| slant height | the height of each lateral face. |
| surface area | the sum of the areas of all the surfaces (faces) of a three-dimensional figure |
| volume | the number of cubic units needed to fill the space occupied by a solid |
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