APPROXIMATING THE AREA OF A CIRCLE

Instructions

So why does the area of a circle equal pi times the radius times the radius? Area = pi X r X r Area = pi X r² Experiment with this GeoGebra applet to find out.

New Resources

Constructing Equilateral Triangles + Activities
apec
Untitled
Tube at distance of a 3D curve.
Pendulum Snake

Discover Resources

Ptolemy's method
Transformations Part 2
Non-rectangular p-gram by both pairs of opp sides congruant
Discrete Fourier Transform: Draw your system of epicycles

Discover Topics

Secant Line or Secant
Polygons
Function Graph
Set Theory
Vectors 2D (Two-Dimensional)