WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from WordNet

Definitions from the Web

Plane Geometry

Plane geometry is a branch of mathematics that focuses on the properties and relationships of geometric figures in a two-dimensional plane.

Descriptions:

• Sense 1: Plane geometry deals with flat shapes, such as circles, triangles, and squares, and explores their properties and measurements.
• Sense 2: Plane geometry is fundamental in understanding concepts such as angles, lines, polygons, and symmetry within a two-dimensional space.

Sample Sentences:

• Studying plane geometry helps students understand the properties of shapes in a two-dimensional space.
• In plane geometry, parallel lines never intersect, while perpendicular lines intersect at a 90-degree angle.
• Triangles, squares, and circles are common examples used in plane geometry.
• One of the key concepts in plane geometry is the Pythagorean theorem, which relates the sides of a right triangle.

Related Products:

Explore these books and resources to delve deeper into the world of plane geometry:

• Plane Geometry Textbooks
• Plane Geometry Workbooks
• Geometric Compasses
• Protractors