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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
bewijs stelling van Pythagoras
Untitled
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Derivative of f(x) = ln(x)
Construcing a 60° Angle and Properties of 30°-60°-90° Triangles
Discover Resources
Reflection over the y-axis
Angle at Centre
Mr. Wain's Notes Book for Circular Functions
Uhin geldikorrak
perpendicular planes
Discover Topics
Intersection
Right Triangles
Subtraction
Arithmetic Mean
Congruence