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Area of a Circle
Author:
C.J. Carlson
,
Anthony OR 柯志明
Topic:
Area
,
Circle
What is the area of a circle? Explore with the following applet.
GeoGebra
Anthony Or, GeoGebra Institute of Hong Kong.
New Resources
Cross Product in 2D and 3D
Introduction
Angles and Intersecting Lines: Quick Investigation
Simplifying Radicals: Geometric Thin Slice
Ellipse, Hyperbola and Circle as Envelopes
Discover Resources
Flächen wzsichen zwei Graphen und x-Achse02
Chain Rule in 3D demo
Constructing a Midpoint Using a Perpendicular Bisector
Volume of a Cylinder vs Cone
friezing patterns (15/10/2020)
Discover Topics
Scatter Plot
Percentages
Sphere
Centroid or Barycenter
Circumcircle or Circumscribed Circle