Display Title

Video Definition 52--3D Geometry--Vertical Cross-Section of a Tetrahedron

Vertical Cross-Section of a Tetrahedron

Topic

3D Geometry

Definition

A vertical cross-section of a tetrahedron is the intersection of the tetrahedron with a vertical plane, resulting in a triangle or another polygon.

Description

Vertical cross-sections of a tetrahedron provide insights into the tetrahedron's internal structure. Depending on the plane's position, the resulting shape can be a triangle or another polygon, illustrating the relationship between the tetrahedron's faces and its apex. This concept is useful in fields like architecture and design, where tetrahedral shapes are used to create innovative structures. In math education, studying cross-sections of tetrahedrons helps students understand the relationship between two-dimensional and three-dimensional geometry, enhancing their spatial reasoning skills. For example, a vertical cross-section of a tetrahedron at its midpoint results in a smaller triangle, illustrating the tetrahedron's symmetry.

For a complete collection of terms related to 3D Geometry click on this link: 3D Geometry Video Collection.

Common Core Standards CCSS.MATH.CONTENT.5.MD.C.3
Duration 1 minutes
Grade Range 4 - 6
Curriculum Nodes Geometry
    • 3D Geometry
        • 3-Dimensional Figures
Copyright Year 2024
Keywords three-dimensional geometry, 3d Geometry, defnitions, glossary term