GeoGebra
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads

Part 3: Altitudes

Author:
Theresa Sawtelle

New Resources

  • Sphere from Circles
  • Open Middle: Parabola Equation (1)
  • Ellipse inscribed in irregular convex quadrilateral
  • Truchet patterns
  • GeoGebra snow

Discover Resources

  • Angle at the centre; angle at the circumference
  • Historical reconstruction of Archytas' proof
  • Video
  • รอยหมุนเส้นโค้งรอบแกน X (funtion : y = sin x)
  • Geometry House Hunting

Discover Topics

  • Derivative
  • Natural Numbers
  • Quadrilaterals
  • Differential Equation
  • Numbers
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

© 2023 GeoGebra®

Contact us: office@geogebra.org