Introduction
Plane figures vs solid shapes.
2D vs 3D
About This Chapter
Move from 2D to 3D! Learn about solid shapes, their faces, edges, and vertices, understand nets, draw 3D shapes on flat surfaces, and visualize cross-sections.
Start Learning →Chapter Sections
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Faces, Edges and Vertices
Elements of 3D shapes and Euler's formula.
FacesEdgesVerticesEuler's Formula - 3
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Exercise 13.1
Practice problems.
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Exercise 13.2
Practice problems.
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Exercise 13.3
Practice problems.
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Exercise 13.4
Practice problems.
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What Have We Discussed?
Chapter summary.
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Extra Curriculum Support
Additional resources.