Category: geometry
- 3D geometry
- Angle at the centre of a circle is twice the angle at the circumference
- Angle in a semicircle is 90 degrees
- Circle geometry
- Cube
- Cube surface area and net
- Geometry
- Geometry basic rules
- Interior and exterior angles of a polygon
- Loci
- Locus of points a fixed distance from a given line
- Locus of points a fixed distance from a given point
- Locus of points an equal distance between 2 lines
- Locus of points an equal distance between 2 points
- More quadrilaterals
- Parallel lines
- Perpendicular bisector of a chord
- Polygons
- Quadrilaterals
- Regular polygons
- Tangent and radius of a circle meet at 90°
- Transformations
- Triangles
- Two radii form an isosceles triangle