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Geometric series

Author:Jonathan Holland
A geometric proof that a = a(1-r) + ar(1-r) + ar^2(1-r)+...

New Resources

  • Trefoil Knot
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • רישום חופשי
  • Model sferyczny - sześcian-ośmiościan
  • Model sferyczny - dwunastościan-dwudziestościan

Discover Resources

  • perpendicular bisectors
  • Puzzle 3
  • Constructing 3/5 on the number line (animation)
  • day 114
  • Exploration of how constant height affects area.

Discover Topics

  • Inequalities
  • Equilateral Triangles
  • Power Functions
  • Plane Figures or Shapes
  • Exponential Functions
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