Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Basic Proportionality Theorem

Author:Sathi Karuthodi
Topic:Geometry

Student Work

(1) Create a triangle (2) Draw a line parallel to any one side (3) Identify points of intersection (4) Measure length (5) Verify theorem

New Resources

  • Untitled
  • Hyperbolic Paraboloid
  • Some random function
  • Viviani's Curve
  • Rose Curve

Discover Resources

  • LockedPoint
  • Euclid XIII.18
  • Spinner Rotation vs Time - Sim to Math - Linear 1
  • Exploring Tangent
  • Ejercicio 139
  • Začetek par, fruit of life... 3

Discover Topics

  • Difference and Slope
  • Volume
  • General Quadrilateral
  • Sphere
  • Statistical Characteristics
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®