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Geometry B: Unit 6 - Surface Area and Volume
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Gravity
Terms in this set (32)
altitude
the segment that is either perpendicular to the two bases or runs from the vertex and is perpendicular to the base
base
the two congruent and parallel faces in a polyhedron
center of a sphere
the point which all points are equidistant
composite space figure
the combination of two or more figures into one object
cone
three-dimensional figure that has a circular base, a vertex not in the plane of the circle, and a curved lateral surface
circumference of a sphere
the distance around any great circle of a sphere
cross section
the intersection of a solid and a plane
cylinder
three-dimensional figure with two congruent circular bases that lie in parallel planes
diameter of a sphere
the distance from one point on a sphere to another point on a sphere passing through the center
edge
the intersection of the faces of a polyhedron
face
the polygonal surfaces of a polyhedron
great circle
the intersection of a sphere with a plane containing the center of a sphere
height
the length of the altitude
hemisphere
a great circle divides a sphere into these
lateral area
the sum of the areas of the lateral faces
lateral face
faces of a polyhedron that are not bases
oblique cylinder
a cylinder in which the segment joining the center of the bases is not perpendicular to the planes containing the bases
oblique prism
a prism where some or all of the lateral faces are non rectangular
polyhedron
three-dimensional figure whose surfaces are polygons
prism
a polyhedron with two congruent and parallel bases
pyramid
a polyhedron in which one base of a polygon and the other faces are triangles with a common vertex
radius of a sphere
The distance between any point on a sphere to the center of the sphere
regular pyramid
a pyramid whose base is a regular polygon and while lateral faces are congruent isosceles triangles
right cone
a cone where the altitude contains the center of the base
right cylinder
a cylinder where the segment joining the center of the bases of the altitude
right prism
a prism whose lateral faces are rectangular regions and a lateral edge is an altitude
similar solids
solids that have the same shape and have all their corresponding dimensions proportional
slant height
the length of an altitude of a lateral face in a pyramid;
the distance from the vertex to the edge of the base in a cone
sphere
the set of all point in space that are a given distance from a point C, the center
surface area
the sum of all the lateral areas and the areas of the bases; fours times the area of the great circle of a sphere
vertex
the endpoints of the sides
volume
measure of the space a figure occupies
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