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MOD 12 Vocab
| Question | Answer |
|---|---|
| area | two measures 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. |
| composite solid | AN object made up of more than one solid. |
| cone | A three dimensional figure with one circular base connected by a curved surface to a single point. |
| cylinder | A three dimensional figure with two parallel congruent circular bases connected by a curved surface. |
| diameter | The distance across a circle through its center. |
| face | A flat surface of a polyhedron. |
| hemisphere | One of two congruent halves of a sphere |
| lateral face | In a polyhedron, a face that is not a base |
| pi | The ratio of the circumference of a circle to its diameter. The Greek letter pi is 3.1415926.....Approximations for pi are 3.14 and 22/7 |
| prism | A polyhedron with two parallel congruent faces called bases. |
| pyramid | A polyhedron with one base that is a polygon nd three or more triangular faces that meet at a common vertex |
| radius | The distance from the center of a circle to any point on the circle |
| regular pyramid | A pyramid ẃhose base is a regular polygon and in which the segment from the vertex to the center of the base is the altiude |
| semicircle | Half circle |
| slant height | The height of each lateral face |
| sphere | The set of all points in space that are given distance from a given point called center |
| surface area | The sum of areas of all the surfaces (faces) of a three dimensional figure. |
| volume | The measure of the space occupied by a soild. Standard units of measure are cubic units such as in^3 or ft^3 |