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mod 9
| 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 |
| face | a flat surface of polyhedron |
| 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 repesents this nuber the value of pi is 3.1415926 |
| prism | a three-dimensional geometric shape or a specialized piece of glass or plastic used in optics to manipulate light. |
| pyramid | a versatile concept used in geometry, architecture, and several specialized fields. |
| radius | the distance from the center of a circle to its edge or the lateral bone in the human forearm. |
| regular pyramid | a 3D geometric solid with a regular polygon as its base and triangular side faces that meet at a single top point (apex) |
| semicircle | A semicircle is a one-dimensional arc that measures exactly \(180^{\circ }\) (half of a circle). In everyday and mathematical usage, it commonly refers to a two-dimensional, closed "half-disk" shape—consisting of the curved arc, the straight diameter, and |
| slant height | the diagonal distance from the apex (tip) of a pyramid or cone to its base, measured along its sloping outer surface |
| surface area | the total area covering the outside of a three-dimensional (3D) object |
| volume | the amount of three-dimensional space an object or substance occupies |