Unit 2: Key Vocabulary

Adjacent Angles • Alternate Exterior Angles • Alternate Interior Angles • Angle • Bisector • Centroid • Circumcenter • Coincidental • Complementary Angles • Congruent • Congruent Figures • Corresponding Angles • Corresponding Sides • Dilation • Endpoints • Equiangular • Equilateral • Exterior Angle of a Polygon • Incenter • Intersecting Lines • Intersecting • Inscribed Polygon • Line • Line Segment or Segment • Linear Pair • Measure of each Interior Angle of a Regular n-gon • Median of a Triangle • Midsegment • Orthocenter • Parallel Lines • Perpendicular Bisector • Perpendicular Lines • Plane • Point • Proportion • Ratio • Ray • Reflection • Reflection Line • Regular Polygon • Remote Interior Angles of a Triangle • Rotation • Same-Side (Consecutive) Interior Angles • Same-Side (Consecutive) Exterior Angles • Scale Factor • Similar Figure • Skew Lines • Sum of the Measures of the interior Angels of a Convex Polygon • Supplementary Angles • Transformation • Translation • Transversal • Vertical Angles