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Altitudes

Author:Rebecca Hart Lyon

New Resources

Reflection = 180° Rotation about a Line
Pitfalls of Disk/Washer Method
Volume by Disk/Washer around y
Volume by Shells Around y
Exploring GeoGebra for the First Time

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Girl in the mirror
Smiler Triangles, angles always same
Perpendicular line through a point
Giovanni Gray-Hale
Geocentrism and Heliocentrism

Discover Topics

Sphere
Step Functions
Parabola
Translation
Unit Circle

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