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GeoGebra
SSA Exploration Activity
Author:
scrandall
Discover Resources
Sine Rule demonstration
Angle Created by Two Tangents
Area v. Perim for Quads and Tris
parabola-slide
角的大小與角的符號大小有關？
New Resources
Student Explorer WMS395
TRIANGLE
Vector Field 3D
Conic Section Explorations
PENTAGON
