Basic geometry
ANGLES
Sponsored Links
- Acute angles
- Right angles
- Obtuse angles
- Straight angles
- Reflex angles
- 360 degrees
- When not to simplify angles larger than 360 degrees
- Complementary angles
- Supplementary angles
- Vertically opposite angles
- Describing angles
SOLVING FOR ANGLES IN A DIAGRAM
- Angle question
- Types of triangles
- Handy Hint #15 - Angles within a triangle rule
DESCRIBING TRIANGLES USING INTERIOR ANGLES
- Acute-angled triangles
- Right-angled triangles
- Obtuse-angled triangles
DESCRIBING TRIANGLES USING SIDES
- Equilateral triangles
- Isosceles triangles
- Scalene triangles
- Triangle angles question
- Transversal lines
- Corresponding angles
- Alternate angles
- Co-interior angles
- Parallel lines question
ANGLES OF ELEVATION AND DEPRESSION
- Boat and lighthouse question
- Handy Hint #16 - Making angles clear in diagrams
- Multiple axes of symmetry
- Symmetry and letters
- Reflecting using x- and y-axes
