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Module 12 vocab

QuestionAnswer
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
circumfrerence 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 the two congruent halves of a sphere
lateral face in a polyhedron, a face that is not a base
pi the radio of the circumference of a circle to its diameter.
prism a polyhedron 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 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 the area of a semicircle is a = 1/2 pi r^2
slant height the height of each lateral face
sphere the set of all points in space that are a given distance from a given point called the center
surface area The sum of areas of all the surfaces of a three-dimensional figure.
volume The measure of the space occupied by a solid. Standard units of measure are cubic units such as in^3 or ft^3
Created by: user-1982644
 

 



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