Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Circle Theorems
    1. Alternate Segment Theorem (proof)
    2. Alternate Segment Theorem (page 2)
    3. Alternate Segment Theorem (page 1)
    4. Angle in a semi-circle
    5. Simple Angle at the Centre
    6. Angle at the centre (page 2)
    7. Angle at the centre (page 3)
    8. Common Tangents to a Circle (Proof)

Circle Theorems

Author:Chris Luke
Topic:Circle
Circle theorems for GCSE

  • Alternate Segment Theorem (proof)

  • Alternate Segment Theorem (page 2)

  • Alternate Segment Theorem (page 1)

  • Angle in a semi-circle

  • Simple Angle at the Centre

  • Angle at the centre (page 2)

  • Angle at the centre (page 3)

  • Common Tangents to a Circle (Proof)

Next
Alternate Segment Theorem (proof)

New Resources

  • 判斷錐體
  • Linear Approximations
  • 拼砌四邊形 - 工作紙
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Pythagorean Day

Discover Resources

  • Diagram 3
  • RRA Tutorial
  • แยกตัวประกอบพหุนามดีกรีสอง
  • เกมส์การคูณ
  • Leslie-Matrix

Discover Topics

  • Arithmetic Operations
  • Surface
  • Mode
  • Tree Diagrams
  • Prism
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®