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平面與直線
Author:
蕭富偉
GeoGebra
New Resources
Building Trapezoids with Set Areas
Perimeter of Rectangle
Area of a Trapezoid
Classifying Triangles
Building Triangles with Set Areas
Discover Resources
maximized area of inscribed triangle
The foci of an ellipse, reflected across its tangents (2)
(9,0) + (9,13)
LaTeXlists (27 October 2015) (30 October 2015)
y=sinx+d
Discover Topics
Ratios
Perimeter
Curve Sketching
Standard Deviation
Conditional Probability