GeoGebra
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads
About GeoGebra
Contact us: office@geogebra.org
Terms of Service – Privacy – License

© 2023 GeoGebra

Nonagon Problem: Introduction

Author:
Steve Phelps
Topic:
Complex Numbers, Numbers
Consider the following regular nonagon inscribed in a unit circle. Use the measuring tool to find the lengths of all the green segments. What is the product of these lengths? How would you begin to explain (prove) this?

New Resources

  • How Many Radians?
  • interior - squares with kufic writing
  • One Point of Inflection
  • Bibi Khanum entrance gate - minarets - ks
  • Gur Emir minarets - ks

Discover Resources

  • Test 1
  • Forum_34151_A_JavaScript-eval
  • THQ 1.1: Slope Investigation
  • Perpendicular Bisectors
  • การบวกเเละการลบจำนวนเต็มงานชิ้นที่3แอน

Discover Topics

  • Integers
  • Optimization Problems
  • Square
  • Addition
  • Conic Sections

GeoGebra

  • About
  • Partners
  • GeoGebra on Tests
  • News Feed
  • App Downloads

Apps

  • Calculator Suite
  • Graphing Calculator
  • 3D Calculator
  • CAS Calculator
  • Scientific Calculator

Resources

  • Classroom Resources
  • Learn GeoGebra
  • Classroom
  • Geometry
  • Notes
  • Terms of Service Privacy License
  • Facebook Twitter YouTube