TGAU Haen Sylfaenol - Onglau, Ongl, Mesur, Llunio, Llinell syth, Llinellau Syth, o amgylch Pwynt, 180, 360, Triongl, Isosgeles, Cyfeiriant, Llinellau Paralel, Z, F, C, Eiledol, Mewnol, Cyfatebol, Allanol, Polygon.
GCSE Foundation Tier - Angles, Angle, Measure, Draw, Straight Line, Around a Point, 180, 360, Triangle, Isosceles, Bearings, Parallel Lines, Z, F, C, Internal Angles, External Angles, Polygon.
GCSE Foundation Tier - Angles, Angle, Measure, Draw, Straight Line, Around a Point, 180, 360, Triangle, Isosceles, Bearings, Parallel Lines, Z, F, C, Internal Angles, External Angles, Polygon.