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DJ Geometry
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A 2-D shape that is a flat side of a 3-D shap
face
a line where two faces meet on a 3-D shape
edge
a point on a shape, a corner where several faces and edges come together
vertex
identical in size and shape
congruent
a 3D shape with 2 congrunent bases and the other faces are 4 sided
prism
a 2D shape made up of straight lines and the lines are closed
polygon
two lines that are always the same distance apart and never touching
parallel lines
lines that cross
intersecting lines
a four sided shape with opposite sides that are parallel, e.g. rectangle
parallelogram
has one pair of opposite sides that are parallel - a trapezoid is not a parallelogram because only one pair of sides are parallel
trapezoid
any 2D shape which has four sides that are straight
quadrilateral
a parallelogram with 4 equal sides
rhombus
a shape that has height and length
2D shape
a shape that has height, length, and depth
a 3D shape
a point at which a line begins
ray
the sliding of a shape
translation
the turning of a shape
rotation
the flipping of a shape
reflection
less than 90 degress
acute angle
greater than 90 degrees
obtuse angle
a 90 degree angle
right angle
a line that divides a shape in half so that if you fold the shape in half the two sides match
line of symmetry
a flat shape that folds to create a 3-D shape
net
What is the name of a 3 sided shape
triangle
That is the name of a 4 sided shape
rectangle
what is the name of a 5 sided shape
pentagon
what is the name of a 6 sided shape
hexagon
what is the name of a 7 sided shape
heptagon
what is the name of a 8 sided shape
octagon
Author
Anonymous
ID
151532
Card Set
DJ Geometry
Description
Geometry flash card
Updated
2012-05-01T22:42:21Z
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