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?

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Laundry Basket
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Angle Addition Postulate (V2) - Integer Solutions

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Regions
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CCG 3.2.4 - Triangle Similarity

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Integral Calculus
Arithmetic Operations
Addition
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Vectors 2D (Two-Dimensional)