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Definition | 3D Geometry Concepts | Horizontal Cross-Sections of a Cylinder

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# Horizontal Cross Sections of a Cylinder

## Topic

3D Geometry

## Definition

A horizontal cross-section of a cylinder is the intersection of the cylinder with a plane that is parallel to the base of the cylinder.

## Description

In the context of three-dimensional geometry, understanding the concept of cross-sections is crucial. A cylinder is a three-dimensional shape with two parallel circular bases connected by a curved surface. When a horizontal plane intersects a cylinder, the resulting cross-section is a circle. This concept is not only fundamental in geometry but also has practical applications in various fields.

In architecture and engineering, horizontal cross-sections of cylindrical structures help in visualizing and designing components like pipes, tunnels, and columns. In medical imaging, techniques like CT scans utilize cross-sectional views to examine the interior of cylindrical body parts, such as blood vessels and bones, providing critical information for diagnosis and treatment.

Understanding the properties of these cross-sections aids in calculating the surface area and volume of cylinders, which are essential for material estimation and structural analysis. This geometric principle also extends to other shapes, providing a foundational tool for analyzing and interpreting three-dimensional objects in various scientific and practical applications.

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

Common Core Standards | CCSS.MATH.CONTENT.5.MD.C.3, CCSS.MATH.CONTENT.7.G.A.3 |
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Grade Range | 4 - 6 |

Curriculum Nodes |
Geometry• 3D Geometry• Cylinders |

Copyright Year | 2021 |

Keywords | three-dimensional geometry, 3d Geometry, defnitions, glossary term, cylinder |