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From any point on the directrix the two tangents to the parabola intersect at a right angle
Author:
Idan Tal
Topic:
Parabola
GeoGebra
New Resources
Witch of Agnesi - A Classical Construction
Angles and Intersecting Lines: Quick Investigation
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van Aubel's Theorem
Ellipse as Envelope - Correspondence Method
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stereopsis
Determinants and linear transformations
Applets for H2 Mathematics
Cópia de Exterior Angles of Polygons
Hình 58 trang 58
Discover Topics
Reflection
Vectors 3D (Three-Dimensional)
Pie Chart or Circle Chart
Scatter Plot
Symmetry