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Identify the shapes of 2D cross-sections of 3D objects and identify 3D objects generated by rotations of 2D objects

Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects.

Lessons

  • Visualize cross-sections of prisms

    In this lesson, you will learn how to visualize the 2D cross-sections of prisms by removing part of the solid.

  • Visualize cross-sections of pyramids

    In this lesson, you will learn how to visualize the 2D cross-sections of pyramids by determining the number of faces intersected by a plane.

  • Visualize cross-sections of cylinders

    In this lesson, you will learn how to visualize the 2D cross-sections of cylinders by analyzing if a plane intersects with straight or curved surfaces.

  • Predict 3D results of rotating simple figures

    In this lesson you will learn how to predict the 3D results of rotating simple figures by analyzing the effects of rotations.

Resources