Geometry

Circles

  1. Language and Notation of the Circle
  2. Circles: Radius, Diameter and Circumference
  3. Parts of a Circle
  4. Area of a Circle
  5. Circles and arcs
  6. Areas of circles and sectors
  7. Inscribed and Central Angles
  8. Inscribed angles 1
  9. Inscribed angles 2
  10. Inscribed angles 3
  11. Perpendicular Radius Bisects Chord
  12. Right Triangles Inscribed in Circles (Proof)
  13. Area of Inscribed Equilateral Triangle (some basic trig used)
  14. Circles challenge

Circles and arcs Relate the length of an arc to the circumference of a whole circle.