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BO
X
A box shape in three dimensional space. Formally, a polyhedron for which all faces are rectangles.
CYLIN
DER
A three-dimensional geometric figure with parallel congruent bases. The bases can be shaped like any closed plane figure not necessarily a circle and must be oriented identically.
GEO
METR
IC S
OLID
S
The collective term for all bounded three-dimensional geometric figures. This includes polyhedrons pyramids, prisms, cylinders, cones, spheres, ellipsoids etc.
IN-C
ICLE
has largest possible circle that can be drawn interior to a plane figure. For a polygon a circle is not actually inscribed unless each side of the polygon is tangent to the circle.
INS
CR
IBED
CIR
CLE
The largest possible circle that can be drawn interior to a plane figure. For a polygon a circle is not actually inscribed unless each side of the polygon is tangent to the circle.
ISO
SC
ELE
S T
RA
PEZ
OID
A trapezoid with base angles that are the same. Consequently, the legs will be congruent to each other as well.
KIT
E
A quadrilateral with two pairs of adjacent sides that are congruent. Note that the diagonals of a kite are perpendicular.
PER
IMETER
The distance around the outside of a plane figure. For a polygon the perimeter is the sum of the lengths of the sides.
RH
OM
BU
S
A parallelogram with four congruent sides. Note that the diagonals of a rhombus …are perpendicular(as is the case with all kites).
SC
ALE
-FAC
TO
R
The ratio of any two corresponding lengths in two similar geometric figures Note: The ratio of areas of two similar figures is the square of the scale factor. The ratio of volumes of two similar figures is the cube of the scale factor.
TO
RU
S
A doughnut shape. Formally, a torus is a surface of revolution obtained by revolving (in three dimensional space) a circle about a line which does not intersect the circle.