Learn geometry—angles, shapes, transformations, proofs, and more.

Interactive, free online geometry tool from GeoGebra: create triangles, circles, angles, transformations and much more!

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

Geometry is the branch of mathematics that studies the shape, size, patterns, angle positions, dimensions, and properties of the objects around us and the spatial relationships among the objects.

This complete guide to geometric shapes includes every 2D geometric shape and all 3D geometrical shapes. Each geometric shape includes an image and a description. This guide also includes …

4 days ago · Geometry, the branch of mathematics concerned with the shape of individual objects, spatial relationships among various objects, and the properties of surrounding space.

Interactive online math videos, lessons, and tutoring. Algebra, geometry, trigonometry, precalculus, and calculus!

Learn Geometry skills for free! Choose from hundreds of topics including transformations, congruence, similarity, proofs, trigonometry, and more. Start now!

Apr 14, 2026 · Geometry is a branch of mathematics that studies the properties, measurements, and relationships of points, lines, angles, surfaces, and solids. From basic lines and angles to complex …

Geometry is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space that are related with distance, shape, size, and relative position of figures.