Aligned Resources
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Texas Essential Knowledge and Skills Geometry Dimensionality and the Geometry of Location:7. The student understands that coordinate systems
provide convenient and efficient ways of representing geometric figures and uses them
accordingly.
Lesson (...)
Lesson: This lesson utilizes the concepts of cross-sections of three-dimensional figures to demonstrate the derivation of two-dimensional shapes.
Activity (...)
Activity: Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, revolving around any line (which yields a 3-D image), rotations about any point, and translations in any direction.
Activity: Explore cross sections of different geometric solids: cone, double cone, cylinder, pyramid, and prism. Manipulate the cross section with slider bars, and see how the graphical representation changes.
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