Words PS R Comm CR Geo R Proof Trans Coor Catogoriers Key AA triangle similarity Constructed Response AAA triangle similarity Problem Solving AAS triangle congruence Resoning abscissa Communication absolute value Geometric Relationship acute angle Proofs acute triangle Coordinate Geometry additive property of equality adjacent angles algebraic representation algorithm alternate interior angles altitude analytical geometry analytical proof angle angle addition postulate angle bisector angle measure apothem apply arc arc measure area ASA triangle congruence aiom ais of symmetry base betweeness biconditional bisector Cartesian coordinates Cartesian plane center of a circle center of a dilation center of a regular polygon center of a rotation center of gravity center-radius equation of circle central angle central angle of a regular polygon centroid chord
circle circumcenter circumcircle (about a polygon) circumference clockwise (orientation) collinear points common tangents Compass complementary angles composition compound locus compound statement concave polygon concentric circles conclusion concurrent lines conditional statement cone congruence conic sections conjecture conjunction constant of proportionality constraints construct contraction contradiction contrapositive of a statement converse of a statement conve polygon coordinate coordinate geometry coordinate plane coplanar corresponding angles corresponding parts corresponding sides counterclockwise (orientation) countereample crossection cube cylinder deductive proof deductive reasoning
definition diagonals diameter dihedral angle dilation direct transformation discover disjunction distance distance between a point and a line distance between two parallel lines distance between two points dodecahedron domain dynamic geometry software ellipse endpoint equiangular equidistant equilateral polygon equilateral triangle equivalence relation Euclidean geometry Euclidean Geometry Euclidean Parallel Postulate eplain eplore eterior eterior angle eternal secant segment face of a polyhedron fied point foot of an altitude function function notation for transformations generalization geometric mean geometry glide reflection golden ratio golden rectangle graphical representation great circle group
half-turn hemisphere Heron's formula heagon hypotenuse hypotenuse and leg triangle congruen hypothesis icosahedron identity image incenter of a polygon inclination indirect proof inductive reasoning inscribed angle inscribed circle intercepted arc intercepts interior intersecting lines intersection of sets inverse of a statement inverse of a transformation investigate isometry isosceles trapezoid isosceles triangle justify kite lateral area of a prism lateral edge lateral face lateral surface legs of a right triangle legs of an isosceles trapezoid length line line segment linear pair locus of points logical equivalence logical equivalent major arc mapping (function)
mean proportional measure of an angle measure of an arc median of a trapezoid median of a triangle midpoint midsegment minor arc negation n-gon non-collinear non-coplanar non-euclidean geometry obtuse angle obtuse triangle octagon octahedron opposite rays opposite transformation orientation origin orthocenter orthogonal parabola paragraph proof parallel line segments parallel lines parallel postulate(s) parallelepiped parallelogram parameters pentagon perimeter perpendicular bisector perpendicular bisector concurrence perpendicular lines perpendicular planes pi plane point point of concurrency point of tangency point slope equation of a line polygon
polyhedron postulate preimage prism product property of proportions proof proof by contradiction proportional pyramid Pythagorean Theorem quadrant quadratic equation quadratic formula quadrilateral radius ratio ray real numbers reason rectangle rectangular coordinates rectangular solid reflection refleive property of equality regular polygon remote interior angles rhombus right angle right triangle rotation rotational symmetry SAS Similarity Theorem SAS triangle congruence scalene triangle secant segment segment of a circle semicircle set similar polygons similar triangles simple quadrilateral skew lines slant height
slope slope - intercept equation of a line spatial relationships sphere square SSS triangle congruence Straightedge substitution property subtraction property of equality supplementary angles surface area symmetric property of equality symmetry tangent segment tangent to a circle tessellation tetrahedron theorem three dimensional space topology transformation transformational geometry transformational proof transitive property of equality translation transversal trapezoid triangle triangle inequality trigonometry of the right triangle truth value two-column proof two-dimensional space undefined terms union of sets valid argument vector verte vertical angles vertical line volume -ais -intercept y-ais
y-intercept z-ais PS- Problem Solving Reason- Reasoning Comm- Communication CR- Constructed Response GeoR- Geometric Relationship Proof- Proofs Coor- Coordinate