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mod 12 vocab

TermDefinition
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 made up of two or more figures
composite solid a object made up of two or more objects
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 congruent circular bases connected by a curved surface
diameter the distance across a circle through the center
face a flat surface of a polygon
hemisphere one of two congruent halves of a sphere
lateral face in a polygon a face that is not a base
pi the ratio of the circumference of a circle to it's diameter the Greek letter π represents this number the value of pi is 3.142526... approximations for pi are 3.14 and 22/7
prism a polygon with 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 circle to any point on the circle
regular pyramid a pyramid whose base is a rectangular polygon and in which the segment from the vertex to the circle of the base is the altitude
semicircle half of a circle the formula is (1/2)πr^2
slant height the height of each lateral face
sphere the set of all points in space that are a given distance from a point that is called the center
surface area the sum of all areas of all the surfaces of a three dimensional figure
volume the measure of space occupied by a solid compared by units of measure
Created by: user-1981840
 

 



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