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Angle at the centre
Author:
lookang
The angle at the centre of a circle is twice the angle on the circle subtended by the same arc.
GeoGebra
New Resources
Rolle's Theorem
Simple 3D Vector Field
以百分數比較兩個數值
VIDEO: How to Insert Image in GeoGebra
Proving Triangles Congruent (2): Multi-Step Transformations
Discover Resources
Exploring Integers With the Number Line
Ms Afseth's GeogebraBook
Transformation Project #2
Shaan Patel Euler's line
Koordinatsystem 4. kl. Sænke Slagskibe
Discover Topics
Percentages
Conditional Probability
Exponent
Arithmetic Mean
Linear Programming or Linear Optimization