Geometry Vocabulary Acute angle Acute triangle Adjacent angles Adjacent arcs Algebraic proof Alternate exterior angles Alternative interior altitude angle Angle bisector Angle of depression Angle of elevation angles Angle of rotation apothem arc area Auxiliary line axiom axis Axis of symmetry Base angles of Base edges Betweeness of biconditional isosceles points triangle Center of a circle Center of rotation Center of Central angle centroid chord symmetry Chord segments circle circumcenter circumscribed collinear Combination Common tangent complement Complementary Composite figure Composite solid Composition of angles reflections Compositions of Compound event Compound Concave polygon Concentric circles conclusion transformations statement Concurrent lines Conditional Conditional cone Congruence congruent probability statement transformations Congruent arcs Congruent Congruent Conic section conjecture Consecutive polygons solids interior angles Construction contrapositive converse Convex polygon Coordinate proofs coplanar corollary Corresponding cosine counterexample Cross products Cross section angles cylinder Deductive Deductive degree Dependent events diagonal argument reasoning diameter dilation Direct isometry direction directrix disjunction enlargement Equiangular Equiangular Euclidean geometry Expected value Extended ratios polygon triangle exterior Exterior angle External secant extremes Finite plane Flow proof segment
Geometry Vocabulary Acute angle Acute triangle Adjacent angles Adjacent arcs Algebraic proof Alternate exterior angles Alternative interior angles altitude angle Angle bisector Angle of depression Angle of elevation Angle of rotation apothem arc area Auxiliary line axiom axis Axis of symmetry Base angles of isosceles triangle Base edges Betweeness of points biconditional Center of a circle Center of rotation Center of symmetry Central angle centroid chord Chord segments circle circumcenter circumscribed collinear Combination Common tangent complement Complementary angles Composite figure Composite solid Composition of reflections Compositions of transformations Compound event Compound statement Concave polygon Concentric circles conclusion Concurrent lines Conditional probability Conditional statement cone Congruence transformations congruent Congruent arcs Congruent polygons Congruent solids Conic section conjecture Consecutive interior angles Construction contrapositive converse Convex polygon Coordinate proofs coplanar corollary Corresponding angles cosine counterexample Cross products Cross section cylinder Deductive argument Deductive reasoning degree Dependent events diagonal diameter dilation Direct isometry direction directrix disjunction enlargement Equiangular polygon Equiangular triangle Euclidean geometry Expected value Extended ratios exterior Exterior angle External secant segment extremes Finite plane Flow proof