Mid Term Vocabulary Review Point Line Segment Midpoint Endpoint Intersect Plane Ray Opposite Rays Angle Bisect (Bisector) Collinear Coplanar Congruent Adjacent Complementary Supplementary Linear Pair Vertical Angles Perimeter Circumference Area Triangle Equilateral Equiangular Regular Quadrilateral Pentagaon Hexagon Heptagon Octagon Nonagon Decagon Postulate Theorem Parallel Perpendicular Transversal Corresponding Angles Alternate Interior Angles Alternate Exterior Angles Consecutive (Same Side) Interior Angles Slope Intercept Interior Angle Exterior Angle Classify Acute Right Obtuse Isosceles Scalene Equilateral SSS SAS ASA AAS HL Midsegment Perpendicular Bisector Equidistant Circumcenter Incenter Median Centroid Altitude Orthocenter Proportion (Proportional) Similar These are words you should recognize, know the meaning of, and, most importantly, know how to use them to solve problems and answer questions. You should make a flashcard for each one including a definition and/or a diagram and/or an associated theorem or postulate to indicate how it is used.