Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

angle at center and circumference proof

Author:Arthur Lee
Topic:Angles, Circle
Why is the angle at center twice the angle at circumference? Find hints in this figure for a proof.

New Resources

  • Interactive Unit Circle - Exact Trig Values
  • Colouring of Venn Diagram
  • seo tool
  • Dividing a 2-digit number by a 1-digit number (2)
  • အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

  • Concurrency of Perpendicular Bisector Theorem
  • conics_ripple_hyperbola
  • Shape of graph as 'a' changes
  • การแยกตัวประกอบของพหุนามดีกรีสอง
  • Montmort Problem (Matching Problem)

Discover Topics

  • Plane Figures or Shapes
  • Stochastic Process or Random Process
  • Right Triangles
  • Indefinite Integral
  • Subtraction
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®