Geometry - Wikipedia
Geometry is, along with arithmetic, one of the oldest branches of mathematics. A mathematician who works in the field of geometry is called a geometer.
Geometry (all content) - Khan Academy
Learn geometry—angles, shapes, transformations, proofs, and more.
Geometry lessons - School Yourself
Essential stuff for describing the world around you. 1. Lines and angles. 2. Related angles. What about angles bigger than 360 degrees? 3. Triangles. See if it's really true, and then prove it! They have two …
Geometry | Definition, History, Basics, Branches, & Facts | Britannica
Geometry, the branch of mathematics concerned with the shape of individual objects, spatial relationships among various objects, and the properties of surrounding space.
Geometry - Math is Fun
Geometry is all about shapes and their properties. If you like playing with objects, or like drawing, then geometry is for you!
Geometry -- from Wolfram MathWorld
3 Noll 2025 · Geometry is the study of figures in a space of a given number of dimensions and of a given type.
Introduction to Geometry Online Math Course - Art of Problem Solving
5 Márta 2015 · Fundamentals of geometry, including angles, triangle similarity and congruence, complicated area problems, mastering the triangle, special quadrilaterals, polygons, the art of angle …
Geometry - Math.net
Geometry is a branch of mathematics that includes the study of shape, size, and other properties of figures. It is one of the oldest branches of mathematics and may have been used even in prehistoric …
Geometry - Definition, Types, Formula, Pdf - Examples
10 Feabh 2025 · Geometry is a branch of mathematics that deals with the study of shapes, sizes, and the properties of space. It focuses on the relationships between points, lines, surfaces, and solids in a …
Geometry - Formulas, Examples | Plane and Solid Geometry - Cuemath
Geometry (from the Ancient Greek: geo- "earth", -metron "measurement") is a branch of mathematics, that is primarily concerned with the shapes and sizes of the objects, their relative position, and the …