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

Fagnano's Problem

Author:Lamberto Lamberti
Topic:Perimeter
To inscribe in a given acute-angle triangle the triangle of a minimum perimeter. http://www.cut-the-knot.org/triangle/Fagnano.shtml

New Resources

  • Nikmati Keunggulan Di Bandar Judi Terpercaya
  • Tangent Plane to a Sphere
  • Two Triangle Theorem
  • bewijs stelling van Pythagoras
  • Identify Opposite, Adjacent, Hypotenuse

Discover Resources

  • Franklin
  • day 79
  • proposition 1
  • สามเหลี่ยมพิธาโกรัส
  • Triangle Inequality (II)

Discover Topics

  • Sine
  • Line Segment
  • Similarity Transformation or Similarity
  • Stochastic Process or Random Process
  • Solids or 3D Shapes
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®