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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
Construct a Square
Linear Cross Section Exercise
Stairs (Optical Illusion)
Cross Product in 2D and 3D
Angles and Intersecting Lines: Quick Investigation
Discover Resources
Spliting spring
ריבוע - המשפטים ההפוכים 1
Angles in a hexagon
สำรวจ10
EM 2016 P2 Q9a
Discover Topics
Numbers
Linear Regression
Reflection
Right Triangles
Intersection