Rules of geometry
Geometric rules for the angles in a triangle, quadrilateral, line and point.
Angles around parallel lines. Alternate, allied and corresponding angles.
Names of all regular polygons up to 10 sides, and a number of other special polygons.
The interior and exterior angles of general and regular polygons.
The nine circle theorems in 3 minutes.
Line and rotational symmetry of standard polygons.
Tessellations - which regular polygons tessellate and which do not.
Describing translations and rotations in the x, y plane.
Similar and congruent shapes
Similar and congruent shapes, special cases for triangles.
Four standard loci, loci which define regions, loci with more than one rule.