Excellent maths resource site (GEOMETRY) including PowerPoints - quality explanations and progressions. Topics covered -*1*GEOMETRIC RELATIONSHIPS*2*Lines and Planes, Prisms*4*Pyramids*4*Cylinders*4*Cones*4*Spheres*4*Platonic Solids*4*Polygons - Interior and Exterior Angles*4*Multiple Choice Practice*1*CONSTRUCTIONS*2*Constructions - Copy, Bisect, Perpendicular, Parallel, Isosceles, Equilateral*4*Concurrence of Medians, Altitudes, Angle Bisectors, Perpendicular Bisectors*4*Multiple Choice Practice*1*LOCUS*2*The Basic Locus Theorems*4*Compound Loci*1*INFORMAL AND FORMAL PROOF*2*Logic - Negation, Conjunction, Disjunction, Conditional , Biconditional, Truth*4*Related Conditionals -- Converse, Inverse, Contrapositive*4*Writing a Proof - Direct Euclidean Proofs*4*Writing a Proof - Indirect Euclidean Proofs*4*Congruence of Triangles*4*Angles and Triangles*4*Isosceles Triangle Theorems*4*Triangle Inequality Theorems*4*Parallel Lines and Angles*4*Quadrilaterals*4*Mid-Segment (Mid-Line)of a Triangle*4*Similarity of Triangles*4*Mean Proportional in a Right Triangle*4*Pythagorean Theorem and Converse*4*Circles - Chords, Secants and Tangents*4*Circles - Angles and Arcs*4*Circles - Area of Sectors and Segments*4*Multiple Choice Practice*1*TRANSFORMATIONAL GEOMETRY*2*Symmetry - Line, Plane, Point, Rotational - Intuitive*4*Reflections - Line, Point*4*Translations*4*Dilations and Similarity*4*Rotations*4*Review of Transformation Information*4*Compositions and Glide Reflections*4*Using the Graphing Calculator to Examine Reflections, Translations, Dilations*4*Using the Graphing Calculator to Examine Rotations*4*Multiple Choice Practice*1*COORDINATE GEOMETRY*2*Slopes and Equations of Lines*4*Midpoint of a Line Segment*4*Distance Formula*4*Direct Analytic Proofs (Coordinate Geometry Proofs)*4*Linear - Quadratic Systems*4*Circles*4*Multiple Choice Practice*4**4**4* Useful for teachers of Maths/Mathematics.