Circumference

Table of Contents

• basic Circumference problems

  • Arcs and Radii
  • Perimeter & Circumference 1
  • Perimeter & Circumference 2

• learning about Pi

  • TRUE MEANING of π
  • 劉徽的「割圓術」
  • 於圓周率日一起學習是緣份、恩典

• Circles within a Circle

  • Circles within Circle 1
  • Semicircles within Semicircle
  • Four Semi-circles
  • Squares within Square v.3
  • 2.大中小圓問題

• 'Rugby' shape problems

  • 圓形重疊問題
  • 'Rugby' shape & its Perimeter
  • 'Rugby' shape & its Perimeter
  • 'Rugby' shape & its Perimeter

• more for Explorations

  • Three Touching Circles
  • 3 touching circles