Rotating Lines

Author:David Wees

Try changing the value of the angle below. What relationships do you see between the lines as the angle changes? What relationships do you see between the lines when they are perpendicular to each other?

New Resources

Trammel of Archimedes
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Parabola - Paper Folding_BY IIT
Vectors: Scalar Multiplication
Sphere Cylinder & Cone by IIT - Comparison

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Figure 5
Volume (prisms)
Working with Linear Equations Written in Standard Form: Quiz (V2-B)
Exploring Parallel and Perpendicular Lines
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Discover Topics

Cosine
Functions
Polygons
Dilation
Congruence