Explore geometry concepts including angles, shapes, transformations, and proofs with Khan Academy's engaging resources.

Learn high school geometry—transformations, congruence, similarity, trigonometry, analytic geometry, and more (aligned with Common Core standards).

Geometry (all content) 17 units · 180 skills Unit 1 Lines Unit 2 Angles Unit 3 Shapes

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Learn key geometric terms like colinear points, midpoints, and vertices, and enhance your knowledge of geometry. Improve your skills and discover the world of shapes and space.

Start practicing—and saving your progress—now! https://www.khanacademy.org/math/class-10-tg/x6d741825a19c63c4:coordinate-geometry Timestamps: 00:00 - Introduction 00:43 - Proof …

High school geometry 9 units · 90 skills Unit 1 Performing transformations Unit 2 Transformation properties and proofs Unit 3 Congruence

We now have fancy computers to help us perfectly draw things, but have you ever wondered how people drew perfect circles or angle bisectors or perpendicular bisectors back in the day. Well …

可汗学院提供几何学的免费学习资源，包括视频、练习题和测验，帮助学生掌握概念并提高技能。

Geometry (all content) 17 units · 180 skills Unit 1 Lines Unit 2 Angles Unit 3 Shapes