Spacial+Thinking

. It has no size. || that extends in two directions without end.
 * NAME ||  SAMPLE ||  DESCRIPTION ||
 * Point || . A || A point is a location in space
 * Line || [[image:http://upload.wikimedia.org/wikipedia/commons/7/76/Lineline.jpg width="290" height="138" link="http://2b-mvalgebra1.wikispaces.com/wiki/File:Lineline.jpg"]] || A line is a series of points

A line can be named with a lower case letter. || no thickness. It continues without end in all directions. || It has two endpoints. || exactly one endpoint. Name its endpoint first. ||
 * Plane || [[image:http://www.mathleague.com/help/geometry/IMG00069.gif width="390" height="221"]] || A plane is a flat surface. It has
 * Line Segment || [[image:http://upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Segmento-definicion.png/250px-Segmento-definicion.png width="250" height="56" link="http://2b-mvalgebra1.wikispaces.com/wiki/File:Segmento-definicion.png"]] || A segment is a part of a line.
 * Ray || [[image:http://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Ray_%28A%2C_B%2C_C%29.svg/500px-Ray_%28A%2C_B%2C_C%29.svg.png width="500" height="50" caption="Ray" link="http://2b-mvalgebra1.wikispaces.com/wiki/File:Ray_(A,_B,_C).svg"]] || A ray is a part of a line. It has

|| Skew lines are lines that do not lie in the same plane. || angles || In the illustration below, angles //A// and //B// are adjacent. || Ajacent angles share a vertex and a side but no points in their interiors. || angles || ~Angles A & B and angles C & D are vertical angles~
 * Parallel lines || [[image:http://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Parallel_lines.png/300px-Parallel_lines.png width="262" height="201" link="http://2b-mvalgebra1.wikispaces.com/wiki/File:Parallel_lines.png"]]
 * Lines a and b are parallel* || Parallel lines are two lines that are in the same plane and do not intersect. ||
 * Skew lines || ([[image:http://www.icoachmath.com/Sitemap/images/Skew%20Lines1.gif width="77" height="23"]] are skew lines in the figure shown. )
 * Ajacent
 * Vertical

|| Vertical angles are formed by two intersecting lines and are opposite each other. They have the same measure. || angles || || Congruent angles are angles that have the same measure. || angles || || Complementary angles are two angles with a sum of 90 degrees. || angles || || Suppementary angles are two angles that have a sum of 180 degrees. || line || || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A transversal line is a line that intersects two other lnes in different points. || angles || In this figure, ** //d// **and **// h //**, **// b //** and **// f //** ; **// c //** and **// g //** ; || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">Corresponding angles are angles that lie on the same side of the transversal and corresponding positions. || interior angles || So, ∠2 and ∠8, ∠1 and ∠7 are the pairs of alternate exterior angles in the figure shown.
 * Congruent
 * Complementary
 * Supplementary
 * Transversal
 * Corresponding
 * // a //** and **// e //** are corresponding angles.
 * Alternate

|| <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">Alternate interior angles are in the interior of a pair of lines and on opposite sides of the transversal. || polygon ||  || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">Regular polygons' sides are all congruent and their angles are also all congruent. || bisector || In the given figure the line segment DE is the bisector of the segment AC as it intersects AC at its midpoint B.
 * Polygons || [[image:http://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Assorted_polygons.svg/400px-Assorted_polygons.svg.png width="400" height="91" link="http://2b-mvalgebra1.wikispaces.com/wiki/File:Assorted_polygons.svg"]] || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">Polygons are closed plane figures with atleast three sides. ||
 * Regular
 * Perpendicular || [[image:http://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Perpendicular-coloured.svg/250px-Perpendicular-coloured.svg.png width="250" height="218" link="http://2b-mvalgebra1.wikispaces.com/wiki/File:Perpendicular-coloured.svg"]] || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">Perpendicular lines, segments, or rays intersect to form right angles. ||
 * Segment

|| <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A segment bisector is a line, segment, or ray that divides a segment into two congruent segments. || bisector || In the figure shown, AB is the perpendicular bisector of the line segment PQ passing through its midpoint "O".
 * Perpendicular

|| <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A perpendicular bisector is a line, segment, or ray that is perpendicular to the segment it bisects. || bisector || || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">An angle bisector is a ray that divides an angle into two congruent angles. || amount in a given direction. || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A translation is a transformation is a change of postion or size in a fugure. ||
 * Angle
 * Transformation || [[image:http://www.icoachmath.com/Sitemap/images/Transformation3.jpg width="209" height="109"]] || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A transformation is a change of postion or size of a figure. ||
 * Translation || A translation moves every point of a figure or a space by the same
 * Image || Triangle A'B'C' is the image of triangle A'B'C', after translation.

Points A', B', C' are the images of points A, B, and C respectively.

The line segments A'B', B'C', and A'C' are the images of the original line segments AB, BC, and AC.

|| <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">An image is the figure you get after the transformation. || Symmetry || || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A figure has reflection symmetry when one half is a mirror image of the other half. || symmetry || || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A line of symmetry divides a figure with reflection symmetry into two congruent halves. || rotation || In moving point, from A to B clockwise the angle of rotation is 45 degrees.
 * Reflection
 * Line of
 * Reflection || [[image:http://www.icoachmath.com/Sitemap/images/Reflection2.jpg width="150" height="167"]] || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A reflection flips a figure over the line of reflection. ||
 * Rotation || [[image:http://www.icoachmath.com/Sitemap/images/Rotation1.jpg width="155" height="90"]] || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A rotation is a transformation that turns a figure about a fixed point called the center of rotation. ||
 * Angle of

|| <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">The angle of rotation is the angle measure of the rotation. || symmetry || || <span style="font-family: 'Comic Sans MS',cursive; font-size: 110%;">A figure has rotation symmetry if you can rotate it 180 degrees or less so that its image matched the original figure. ||
 * Rotation