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Equal Regions Surprise
Author:
Ted Courant
A quarter-circle has a half-circle inscribed, as shown.
GeoGebra
Which is greater, the Red region or the Blue region? Or are they equal?
New Resources
apec
Area of a Circle Illustrated
רישום חופשי
Perimeter of Rectangle
Regular Polygons and Equivalent Triangles
Discover Resources
Common Misconceptions 1
Graphs of y=f(x) and y=-f(x)
Romer Measurement (Bird's Eye)
Double Angle Tracer
Fire Problem
Discover Topics
Exponential Functions
Limits
Multiplication
Matrices
Standard Deviation