Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

Outline

  1. Ex 9:01
    1. Angle at the center is twice at the circumference
    2. Equal angles equal chords/arc
    3. Angles in the same segment of a circle are equal
    4. Angle in a semi circle

Ex 9:01

Author:Mr Isbester

  • Angle at the center is twice at the circumference

  • Equal angles equal chords/arc

  • Angles in the same segment of a circle are equal

  • Angle in a semi circle

Next
Angle at the center is twice at the circumference

New Resources

  • Odd Function Explorer
  • Segment Addition Postulate (Mild Questions)
  • Perpendicular Lines: Quick Exploration
  • Squaring a Rectangle (PST Version)
  • Modifiable Right Triangular Prism

Discover Resources

  • Sine angles > 90º investigation
  • pentagon bisection
  • Cubic
  • Duongthang_Rotation
  • Demo: draggable bar (for barchart etc)

Discover Topics

  • Parallelogram
  • Square
  • Reflection
  • Centroid or Barycenter
  • Incircle or Inscribed Circle
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®