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

Viviani's Theorem

Author:Alex CHIK
Topic:Equilateral Triangles, Geometry, Triangles
Observe the sum of the perpendicular distances from a point in or on an equilateral triangle.
gMath www.geogebra.hk

New Resources

  • Perpendicular Lines: Quick Exploration
  • Pythagorean Theorem: Quick Illustrator
  • Right Triangle Inscribed in a Semicircle
  • Slope Illustrator (2)
  • Function art 3D - waiting shed (v2)

Discover Resources

  • Prostopadłe.
  • Circles and Squares
  • Conde_B3_Rotation
  • 圖形拼砌一
  • العلاقة بين مساحة ومحيط المستطيل

Discover Topics

  • Logarithm
  • Indefinite Integral
  • Parametric Curves
  • Planes
  • Vectors 3D (Three-Dimensional)
AboutPartnersHelp Centre
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®