Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Circle Geometry
    1. Angle in opposite segment
    2. Angle in a semi circle
    3. Angles on the same arc
    4. Base angles of isosceles
    5. Exterior angles of cyclic quadrilateral
    6. Opposite angles of a cyclic quad
    7. Equal tangent
    8. Tangent meets radius
    9. Angle at centre
    10. Tangent 90 degrees to radius

Circle Geometry

Author:James Monaghan
Topic:Angles, Circle, Geometry
Circle geometry diagrams and facts

  • Angle in opposite segment

  • Angle in a semi circle

  • Angles on the same arc

  • Base angles of isosceles

  • Exterior angles of cyclic quadrilateral

  • Opposite angles of a cyclic quad

  • Equal tangent

  • Tangent meets radius

  • Angle at centre

  • Tangent 90 degrees to radius

Next
Angle in opposite segment

New Resources

  • רישום חופשי
  • z`]]
  • 函數的奇偶性
  • GGB is Awesome!
  • အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

  • practice
  • Math Project
  • กราฟเส้นตรง
  • Graph the Line
  • PythProof-Elements

Discover Topics

  • Mathematics
  • Linear Programming or Linear Optimization
  • Dilation
  • Percentages
  • Kite
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

© 2026 GeoGebra®