Concepts of Geometry: Reasoning

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Undefined terms , (point, line, plane), defined terms, collinear points, coplanar points, line segment, endpoints, rays, opposite rays, intersections, postulate, axiom, coordinate, distance, between, congruent segments, midpoint, segment bisector, acute, right, obtuse, straight angles, congruent angles, measure of an angle, vertex, angle bisector, complimentary, supplementary, adjacent, linear pair, vertical angles, perimeter, circumference, area, diameter, radius, polygon, convex, concave, n-gon, equilateral, equiangular, regular, conjecture, inductive reasoning, counterexample, conditional statement , (converse, inverse, , contrapositive), if-then form , (hypothesis, conclusion), negation, equivalent statements, perpendicular lines, biconditional statement, line perpendicular to a plane, postulate, deductive reasoning, equation, solve and equation, proof, two-column proof, theorem, complementary angles, supplementary angles, linear pair, vertical angles