# Geometric Base in 3D Geometry

3D Geometry

## Definition

A geometric base is the face of a three-dimensional figure from which the height is measured.

## Description

In the context of three-dimensional geometry, the term "geometric base" is crucial for understanding the structure and properties of various 3D shapes. The base of a 3D figure is typically a flat surface, often a polygon, from which the height of the figure is perpendicular. This concept is fundamental when calculating the volume and surface area of three-dimensional shapes such as prisms, cylinders, pyramids, and cones.

For example, in a cylinder, the geometric base is one of the two parallel circular faces. The height of the cylinder is the perpendicular distance between these two bases. Similarly, in a pyramid, the base is the polygonal face upon which the pyramid stands, and the height is the perpendicular distance from this base to the apex of the pyramid. Understanding the geometric base is essential for solving problems related to 3D geometry. It allows for the application of various mathematical formulas to determine the volume and surface area, which are critical in fields such as engineering, architecture, and various physical sciences. The geometric base also plays a role in understanding the symmetry and stability of three-dimensional structures.

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 4 - 6 Geometry     • 3D Geometry         • 3-Dimensional Figures 2013 three-dimensional geometry, 3d Geometry, defnitions, glossary term