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Mod 9 Vocab

TermDefinition
Area Two rays with a common endpoint form an angle. The rays and vertex are used to name the angle.
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 to two or more figure.
Diameter The distance across a circle through its center.
Face A flat surface of a polyhedron.
Lateral Face In a polyhedron, a face that is not base.
Pi The ratio of the circumference of a circle to its diameter. THe greek letter represents this number. The value of pi is 3.1415936.... Approximations for pi are 3.14 and 22 over 7
Prism A polyhedron on the two parallel congruent faces called bases.
Pyramid A polyhedron with one base that is a polygon and three or more triangular faces that meet at a common vertex.
Radius The distance from the center of a four sides and four angles.
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 The amount the customer pays for an item.
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.
Created by: user-1975168
 

 



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