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

Mystic Rose and Handshakes

Author:Dan
Topic:Combinatorics
There is a room of 30 people. If every person shook hands with every other person, how many handshakes would there be in total?

New Resources

  • Parabola - Write the Equation - Practice
  • Inversión esférica de nudos: el nudo trébol y el nudo ocho
  • Position Vector and Derivative Vector
  • Proving Triangles Similar: Multistep Transformations
  • Angle Bisector: Quick Warm Up Questions

Discover Resources

  • Hexagon- Karsyn Davis
  • Lesson 10.4 - Other Angle Relationships in Circles - M III
  • Do Now: Graphing Linear Equations in Standard Form
  • System of Linear Equations (Two Variables)

Discover Topics

  • Similar Triangles
  • Quadrilaterals
  • Integers
  • Angles
  • Median Value
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®