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39 Cards in this Set

  • Front
  • Back
an exact location in space
Point
a line that goes on forever in one direction
Ray
a flat surface that continues infinitel in all directions.
Plane
part of a line with two end-points
Line Segment
a straight path that goes on forever in both directions
Line
lines that don't intersect and they aren't parallel because their on two different planes
Skew Lines
a point that seperates a line segement into two congruent lines
Midpoint
90*
Right Angle
greater than 90*
Obtuse Angle
two lines with the same length
Congruent Segents
lines that never intersect
Parallel Lines
two lines that meet at a point
Interesecting Lines
less than 90*
Acute Angle
two angles whose sum is 180*
Supplementary Angles
two angles whose sum is 90*
Complementary Angles
a line that divides an angle into two congruent angles
Bisecting Lines
two lines that intersect to form 90* angles
Perpendicular Lines
angles inside a shape
Interior Angles
angles that are formed by extending the sides of a shape
Exterior Angles
180*
Straight Angles
a line that intersects with another line
Transversal Line
two angles that are connected
Adjacent Angles
2 sides are equal
Isoceles Triangle
3 sides are equal
Equilateral Triangle
all sides are different
Scalene Triangle
all 3 angles are less than 90*
Acute Triangle
all 3 angles are more than 90*
Obtuse Triangle
one angle is 90*
Right Triangle
any 4 sided shape
Quadrilateral
both pairs of opposite sides are parallel
Parallelogram
a quadrilateral with 4 equal sides
Rhombus
has to have four 90* angles
Rectangles
4 equal sides and four 90* angles
Square
a quadrilateral, 1 side is parallel
Trapezoid
5
6
7
8
9
10
Pentagon
Hexagon
Heptagon
Octagon
Nonagon
Decagon
any number of sides, closed though
Polygon
all sides are equal (stop sign)
Regular Polygon
all sides aren't equal
Irregular Polygon
congruent angles perportional sides
Similar Polygons