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Double Angle

Author:GeoGebra Institute of Florida

New Resources

Visualizing the Pythagorean Identity with Sine and Cosine
random coprime pairs
函數的奇偶性
montecarlo circles 5
兩位數的位值

Discover Resources

Ellipse Lab JJ (Draftman's Method)
reflect near center
Equilateral Triangle Polynomial Test
G.GGMD.4 Sections of Cylinders
Interactive polygonal billiards
Isometric Drawing

Discover Topics

Congruence
Circle
Right Triangles
Planes
Real Numbers

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