**TI83F* AppVariable file 12/24/08, 18:47 sGLGE09sqnav 9AE51D1EC13445C5B24A00CF0B737DCFGLGE09.'GLGE091  angle of rotationUangle of rotation:The degree measure of the angle through which a figure is rotated. center of rotation Jcenter of rotation:The fixed point about which a figure rotates or spins. center of symmetry - !Ncenter of symmetry:The common point of reflection for all points of a figure.  composition of transformations composition of transformations:The resulting transformation when a transformation is applied to a figure and then another transformation is applied to its image. glide reflection yglide reflection:The composition of a translation followed by a reflection in a line parallel to the translation vector. line of reflectionFline of reflection:The line a figure is flipped over in a reflection. line of symmetry!bline of symmetry:A line that divides a figure into two halves that are reflections of each other.  line symmetryQline symmetry:Figures that match exactly when folded in half have line symmetry.  magnitude of symmetry Ymagnitude of symmetry:The degree measure of the angle through which a figure is rotated.  order of symmetry border of symmetry:The number of times a figure can map onto itself as it rotates from 0 to 360.  plane symmetry plane symmetry:Symmetry in a three dimensional figure that occurs if the figure can be mapped onto itself by a reflection in a plane.  rotational symmetry !rotational symmetry:A figure that can be turned or rotated less than 360 about a fixed point so that the figure looks exactly as it did before being turned is said to have rotational symmetry.   symmetry symmetry:A figure has symmetry if there exists a rigid motion - reflection, translation, rotation, or glide reflection - that maps the figure onto itself. translation vector !Stranslation vector:The vector in which a translation maps each point to its image.8`` ` @@       @@@@@@ @ e@` V% T$ `S  @ @UY%UUQ%@UM0 `8`  ? ?????????????_/G#C!A @?@?`@3 @q08@(x@?'@ @ ??????????? 2 IHH08`@@ `@@@`@0@@8@`$@8@ $`@$@@0 @@@8q8p@ @@@@ @@`@@@ @0@@@0@@@@@ @@@@ H R #*d%Ī("*D$j 4*m08` A  @(TT T` @ @@ @@L 8!$1 #3f9*ERD!*!%RD ʱ!B*VCC @1bC#13 *UC$)RRR2UBE$)JRR!bB(Q+L M% % ͙ @