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Circle theorem: opposite angles in a cyclic quadrilateral
Author:
Ania Maxwell
Topic:
Angles
,
Circle
GeoGebra
New Resources
Isosceles Triangle: Quick Construction
Rotating Points (Optical Illusion)
Rose Curve - A Classical Construction
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Will it hit the hoop? Take 5
Investigating Power (Repeated Multiplication)
quack
mathgeogebra
Protractor Applet
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Calculus
Translation
Circumcircle or Circumscribed Circle
Conditional Probability
Interest Calculation