How to map a ray through multiple geometric transformations in the plane
In short: This video demonstrates the practical steps for graphing the image of a ray after it undergoes a composition of two distinct transformations: a dilation and a rotation.
In geometry, composing transformations involves applying a sequence of operations to a figure. This specific lesson focuses on the mechanics of transforming a ray by first dilating it and then rotating the resulting image.
Understanding how these transformations interact is a fundamental skill in planar geometry, allowing students to visualize how shapes change size and orientation within a coordinate system.
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Sources
- Summary by Intellect · source: Composing transformations | Transformations in the plane | Geometry (TX TEKS) | Khan Academy
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