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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 endpoints

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
