This Basic geometry and measurement course is a refresher of length, area, perimeter, volume, angle measure, and transformations of 2D and 3D figures. If you are learning the content for …

Understanding these fundamental concepts lays the foundation for exploring more advanced topics in geometry. This lesson introduces these basic geometric elements with definitions, …

Dec 7, 2025 · This article covers all the basics of geometry, including points, lines, segments, rays, planes, and angles. You’ll also learn a bit about postulates, theorems, and proofs.

This page will help you understand the concept of dimensions in geometry, and work out whether you are working in one, two or three dimensions. It also explains some of the basic …

This video explains and demonstrates the fundamental concepts (undefined terms) of geometry: points, lines, ray, collinear, planes, and coplanar. The basic ideas in geometry and how we …

Geometry is all about shapes and their properties. If you like playing with objects, or like drawing, then geometry is for you!

In this video, we dive into the basics of geometry – an essential foundation of mathematics. Learn about points, lines, angles, shapes, and their properties with clear explanations and engaging...

Geometry[a][1] is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. [2] Geometry is, along with arithmetic, …

Dec 23, 2025 · Basic geometric concepts include circles, lines, angles and other figures defined here. From the beginning, students learn to compare and contrast shapes and their attributes, …

Explore fundamental geometry concepts, focusing on key vocabulary and essential formulas. Enhance understanding by learning to calculate areas, perimeters, and volumes effectively.