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28 Cards in this Set

  • Front
  • Back
Bisecting Lines
line that divides an angle into 2 congrouent angles
perpendicular Lines
2 lines that intersect to form 90º angles +
interior angle
angles inside a shape
exterior angles
angles that are formed when extending the sides of a shape
straight angle
flat angle 180º
Transversal Line
the line that intersects 2 lines
adajacent angles
2 angles that are conected
scalene triangle
3 sides are different
isoceles
2 sides equal
equilateral triangle
3 sides equal
acute triangle
all angles are less than 90º
obtuse triangle
only ine side thats bigger than 90º
quadrilateral
any 4 sidded shape
parallelogram
both pares of opposite sides are parallel
rhombus
a quadrilateral with the 4 same side lengths
rectangle
4 90º angles
square
4 equal sides+ 4 90º angles
trapezoid
quadrilateral only one set of sides are parallel
pentagon
5
hexagon
6
heptagon
7
octagon
8
nonagon
9
decagon
10
polygon
any number of sides/closed
regular polygon
(stop sign) all sides ae equal.
irregular pollygon
all sides aren't equal
similar polygons
congruent angles+ propertioned sides