Geometry Chapter 12 Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| a solid that is bounded by polygons, called faces, that enclose a single region of space | polyhedron
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| a point where three or more edges of a polyhedron meet | vertex
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| a line segment formed by the intersection of 2 faces of a polyhedron | edge
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| five regular polyhedra, named after the greek mathematician and philospher plato | platonic solids
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| the intersection of a plane and a solid | cross section
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| a polyhedron with two congruent faces, called bases, that lie in parallel planes | prism
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| the sum of the areas of the fences of a polyhedron or other solid | surface area
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| the sum of the areas of the lateral faces of a polyhedron or other solid with 1 or 2 bases | lateral area
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| the two dimensional representation of the faces of a polyhedron | net
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| a prism in which each lateral edge is perpendicular to both bases | right prism
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| a prism with lateral ledges that are not perpendicular to the bases | oblique prism
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| a solid with congruent circular bases that lie in parallel planes | cylinder
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| a cylindar in which the segment joining the centers of the bases is perpendicular to the bases | right cylinder
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| a polyhedron in which the base is a polygon and the lateral faces are triangles with a common vertex called the vertex of the pyramid | pyramid
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| a pyramid that has a regular polygonfor a base and in which the segment joining the vertex and the center of the base is perpendicular to the base | regular pyramid
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| a solid that has 1 circular base and a vertex that is not in the same plane as the base | cone
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| a cone in which the segment joining the vertex and the center of the base is perpendicular to the base | right cone
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| the number of cubic units contained in the interior of a solid | volume
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| the set of all pointsin space equidistant from a given point called the center of the sphere | sphere
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| the intersection of a sphere and a plane that contains the center of the sphere | great circle
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| half of a sphere, formed when a great circle seperates a sphere into 2 congruent halves | hemisphere
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| two solids of the same type with with equal ratios of cooresponding linear measures, such asheights or radii | similar solids
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
aelohaus
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