Elementary Geometry: Congruent Figures

adjacent angles angle of continuation angle of rotation angles are equal angles equal Axiom axis of symmetry bisects the angle called central symmetry centre of symmetry chord circumference coincide congruent figures converse convex polygon corresponding lines corresponding points Definition denote described diagonal diameter distance draw drawn end points equal angles equal in length equally inclined Exercises exterior angles fixed point follows Geometry given circle given lines given point greater half-rays Hence Theorem infinite number intersection kite limits line joining median line mid point moving point notion opposite angles opposite sense opposite sides parallel lines parallelogram pass perpendicular bisector plane point in common point moving point of contact points or lines position properties proposition quadrilateral radii radius reciprocal rhombus right angles segment set of lines set squares space supplementary surface symmetrical trapezium symmetrical triangle symmetrical with regard tangents three points transversal turn vertex