click below
click below
Normal Size Small Size show me how
Math Ch8 Vocab
Question | Answer |
---|---|
center | The point from which all points on a circle are the same distance. |
circle | The set of all points on 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 three-dimensional figures. |
diameter | The distance across a circle through its center. |
lateral face | In a polyhedron, a face that is not a base. |
lateral surface area | The sum of the areas of all of the lateral faces of a solid. |
pi | The ratio of the circumference of a circle to its diameter. The Greek letter π represents this number. |
radius | The distance from the center of a circle to any point on the circle. |
regular pyramid | A pyramid whose base is a regular polygon and in which the segment from the vertex to the center of the base is the altitude. |
semicircle | Half of a circle. The formula for its area is 1/2 πr². |
slant height | The height of each lateral face. |
surface area | The sum of the areas of all of the surfaces (faces) of a three-dimensional figure. |
volume | The number of cubic units needed to fill the space occupied by a solid. |