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

Theorem 2: tangent and radius always meets at right angles

Author:Graham Burnby-Crouch
Topic:Angles
B is the centre

New Resources

  • Thales' Intercept Theorem
  • Untitled
  • Right Triangle Trig Ratios: sin, cos, tan
  • Inversión esférica de nudos: el nudo trébol y el nudo ocho
  • Proving Triangles Similar: Multistep Transformations

Discover Resources

  • Finished Constructions Project
  • MODUL 16B_YANI NURCAHYANI_SMPN 2 SUKABUMI
  • AndrewKirk_parrallel
  • W5D5 - Reflection, then Reflection

Discover Topics

  • Difference and Slope
  • Polygons
  • Diagrams
  • Cuboid
  • Histogram
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®