Geometry
Proof of circle theorems
Geometric transformations using matrices
IGCSE trigonometry proofs First 86 Pythagorean triples Special triangles
Basic geometry notes Chimborazo
Areas of basic shapes Arcs, sectors, radians Argand diagram complex loci Cartesian equation of a circle Circle theorems Lines and angles Loci & constructions Polygons Symmetry Transformations using matrices: Intro Transformations using matrices: Rotations Transformations using matrices: Not about the origin Transformations using matrices: Invariant lines Triangles, Circles & Hero’s Formula Vectors Vector equations of lines and planes Volumes of basic solids
Maths is Fun: Geometric Construction animations
First created July 2012
Last updated Apr 2023