**TI83F* AppVariable file 03/22/07, 10:15ūJ źJGLM211źJčJnav F441BD13B950415AA7EB861D73925D5FGLM211.GLM2111   acute angleÅ!Gacute angle:ÖAn angle with a measure greater than 0 and less than 90. acute triangleGH!Facute triangle:ÖA triangle in which each angle measures less than 90. angleÜ!’angle:ÖA figure formed by two rays with a common endpoint. In the figure, RST is formed by rays SR and ST with the common endpointÖ(or vertex) S.  circle graphYcircle graph:ÖA graph that compares parts of a set of data as a percent of the whole set.  circumference,circumference:ÖThe distance around a circle. complementary angles—(!Šcomplementary angles:ÖTwo angles are complementary if the sum of their measures is 90. In the figure,Ö1 and 2 are complementary angles. congruent figures=congruent figures:ÖFigures that have the same shape and size. corresponding angles;!Ēcorresponding angles:ÖAngles that have the same position on two different parallel lines cut by a transversal. In the figure, 1 and 5, Ö2 and 6, 3 and 7, and 4 and 8 are corresponding angles.  decagon$decagon:ÖA polygon having ten sides.  degree«degree:ÖThe most common unit of measure for angles. If a circle were divided into 360 equal-sized parts, each part would have an angle measure of Ö1 degree, denoted as 1.  equilateral triangleĘ5!aequilateral triangle:ÖA triangle having all three sides congruent and all three angles congruent.  heptagon'heptagon:ÖA polygon having seven sides.  hexagon$hexagon:ÖA polygon having six sides. indirect measurementJindirect measurement:ÖA technique using proportions to find a measurement. isosceles triangleō%!Aisosceles triangle:ÖA triangle with at least two congruent sides. line of reflectionFline of reflection:ÖThe line a figure is flipped over in a reflection. line of symmetry !bline of symmetry:ÖA line that divides a figure into two halves that are reflections of each other.  line symmetryQline symmetry:ÖFigures that match exactly when folded in half have line symmetry. nonagon%nonagon:ÖA polygon having nine sides.  obtuse angle"!Fobtuse angle:ÖAn angle that measures more than 90 but less than 180. obtuse triangle¤E!4obtuse triangle:ÖA triangle having one obtuse angle. octagon&octagon:ÖA polygon having eight sides.  parallelogram!Xparallelogram:ÖA quadrilateral with both pairs of opposite sides parallel and congruent. pentagon&pentagon:ÖA polygon having five sides. perpendicular lines® !aperpendicular lines:ÖLines which meet to form right angles and whose slopes have a product of -1. polygonQpolygon:ÖA simple closed figure in a plane formed by three or more line segments.  quadrilateral+quadrilateral:ÖA polygon having four sides.  reflectionh!Rreflection:ÖA transformation in which a figure is flipped over a line of symmetry. regular polygonu8!Qregular polygon:ÖA polygon that has all sides congruent and all angles congruent. rhombus#3!3rhombus:ÖA parallelogram with four congruent sides.  right angleC!0right angle:ÖAn angle that measures exactly 90.  right triangleQ#!2right triangle:ÖA triangle having one right angle.! scalene triangle€0!5scalene triangle:ÖA triangle with no congruent sides." similar figuresTsimilar figures:ÖFigures that have the same shape but not necessarily the same size.# straight angle-straight angle:ÖAn angle that measures 180 .$ supplementary angles»=!Xsupplementary angles:ÖTwo angles are supplementary if the sum of their measures is 180.%  tessellationWtessellation:ÖA repetitive pattern of polygons that fit together with no holes or gaps.& transformation_transformation:ÖA mapping or movement of a geometric figure that changes its shape or position.'  translationŻ-!Itranslation:ÖA transformation in which a figure is slid in any direction.(  trapezoid:+!Ltrapezoid:ÖA quadrilateral with exactly one pair of parallel opposite sides.) triangle'triangle:ÖA polygon having three sides.* vertex of an angle^@!Fvertex of an angle:ÖThe common endpoint of the rays forming the angle.8`€Ą@ ĄĄb@ ņ@ 4š Ą`< Ą"e¦` ¤€S` ˆ€RÕ@d˜€8D€Ą4Ķ@ €0ąĄÄ€ēĢą#ĄĄĄ0 Ą0 Ą 0" e¦Ą ¤0S Ą<ŒĄ4 8`  Œ’’’’’’’ž  Œ  @€€ @@€ €€ @@€  €@@€€@  @@€ @@€ (B (c’’’’’’’ų(c(B8`p0P@€€ @@€€ @@€€ @@€€?’’’’’’ž8`  @@€€ @@€€ @€€ @@’’’’’’’ü8`ƒ‚‡Ć€€@€@   €@€€€€€€€@ € €@@‡Ā€ł~€€@€ €@  @ € € @€€€€€@@€ € @@€€€š€€@‡Ā ƒ‚ ’’’’’’’’š8`€Ąńš` ` €€€@@       @@@@@€€€€@€  @ e€@` V%Ą ’’’‰T$€ `S€  @ €@¢••UY%UUQ%@UM£0 `€Ą€8`€Ą ’@`’’’’’’š`@Ą€8`€@@ €€ @P3VIP VJeJ` 5JEI@3520ˆd”Ā™BĀLB‚€@@ €@ą     ’’’üˆ”Ą™@ĄL@€8`€AD „Ŗ†`J É1 SL ‰! 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