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

Poncelet Theorem

Author:Thierry Dana-Picard
Topic:Constructions, Geometry, Incircle or Inscribed Circle, Plane Figures or Shapes
A triangle ABC is given with a right angle at C. Denote by r the radius of the incircle. Then: a+b=c+2r.

New Resources

  • Congruent Figures
  • Nikmati Keunggulan Di Bandar Judi Terpercaya
  • רישום חופשי
  • Pythagorean Template: Integer Legs
  • Perpendicular Lines: Quick Exploration

Discover Resources

  • Exploring Systems of Inequalities
  • Congruent Segments
  • NotElliptic
  • What Is SOH-CAH-TOA
  • WP-monododecahedron-after-Brakke-along-with-steelpillow-com

Discover Topics

  • Indefinite Integral
  • Addition
  • Rational Numbers
  • Mode
  • Hypergeometric Distribution
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®