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

© 2021 GeoGebra

圓周與直徑的關係

Author:
Anthony OR 柯志明
Topic:
Circle, Perimeter
拖拉綠點到適當位置,量度圓的直徑。 拖拉紅色的P點,將圓周拉直。透過細分刻度,量度圓周至小數後兩個位。如有需要,可使用放大、縮小及移動工具。 將直徑分別改為 2 cm、3 cm 及其他數值,量度圓周的長度。你有甚麼發現?
柯志明 香港 GeoGebra 學院 orchiming@gmail.com

Related Topics

  • Area
  • Polygons
  • Quadrilaterals
  • Special Points
  • Triangles

Discover Resources

  • Colouring "book", just for fun ;-)
  • construction 2
  • perpendicular line
  • Methode der kleinsten Fehlerquadrate
  • Circumcenter Theorem

Discover Topics

  • Surface
  • Linear Functions
  • Terms
  • Division
  • Fractions

GeoGebra

  • About
  • Partners
  • Testing
  • News Feed
  • App Downloads

Apps

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

Resources

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