Basic geometry: language and labels | Introduction to Euclidean geometry | Geometry | Khan Academy
12:58
YouTubeKhan Academy
Basic geometry: language and labels | Introduction to Euclidean geometry | Geometry | Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-intro-euclid/v/language-and-notation-of-basic-geometry Before learning any new concept (mathematical or otherwise), it's important we learn and use a common language and label ...
1.8M viewsFeb 28, 2012
Khan Academy Courses
Intro to Economics - Course Trailer
2:42
Intro to Economics - Course Trailer
YouTubeKhan Academy
346K viewsJul 11, 2019
Introduction to high school physics | Khan Academy
2:21
Introduction to high school physics | Khan Academy
YouTubeKhan Academy
29.5K views4 months ago
Introduction to middle school physics | Khan Academy
2:25
Introduction to middle school physics | Khan Academy
YouTubeKhan Academy
11.9K views5 months ago
Top videos
Perimeter and area: the basics | Perimeter, area, and volume | Geometry | Khan Academy
8:25
Perimeter and area: the basics | Perimeter, area, and volume | Geometry | Khan Academy
YouTubeKhan Academy
2.1M viewsSep 30, 2011
Angle basics | Angles and intersecting lines | Geometry | Khan Academy
6:49
Angle basics | Angles and intersecting lines | Geometry | Khan Academy
YouTubeKhan Academy
1.4M viewsSep 21, 2011
Intro to lines, line segments, and rays | Geometry | Khan Academy
3:38
Intro to lines, line segments, and rays | Geometry | Khan Academy
YouTubeKhan Academy
1.8M viewsAug 23, 2011
Khan Academy Math
Introduction to solving an equation with variables on both sides | Algebra I | Khan Academy
8:53
Introduction to solving an equation with variables on both sides | Algebra I | Khan Academy
YouTubeKhan Academy
2.7M viewsSep 15, 2010
Introduction to the quadratic equation | Quadratic equations | Algebra I | Khan Academy
9:15
Introduction to the quadratic equation | Quadratic equations | Algebra I | Khan Academy
YouTubeKhan Academy
1.5M viewsJan 28, 2007
Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy
7:28
Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy
YouTubeKhan Academy
2.9M viewsNov 19, 2006
Perimeter and area: the basics | Perimeter, area, and volume | Geometry | Khan Academy
8:25
Perimeter and area: the basics | Perimeter, area, and volume | Geo…
2.1M viewsSep 30, 2011
YouTubeKhan Academy
Angle basics | Angles and intersecting lines | Geometry | Khan Academy
6:49
Angle basics | Angles and intersecting lines | Geometry | Kha…
1.4M viewsSep 21, 2011
YouTubeKhan Academy
Intro to lines, line segments, and rays | Geometry | Khan Academy
3:38
Intro to lines, line segments, and rays | Geometry | Khan Academy
1.8M viewsAug 23, 2011
YouTubeKhan Academy
Introduction to vertical angles | Angles and intersecting lines | Geometry | Khan Academy
7:19
Introduction to vertical angles | Angles and intersecting lines | Ge…
798.6K viewsSep 21, 2011
YouTubeKhan Academy
The Pythagorean theorem intro | Right triangles and trigonometry | Geometry | Khan Academy
10:46
The Pythagorean theorem intro | Right triangles and trigonometry | …
3M viewsAug 9, 2010
YouTubeKhan Academy
Labeling parts of a circle | Perimeter, area, and volume | Geometry | Khan Academy
2:01
Labeling parts of a circle | Perimeter, area, and volume | Geo…
444.1K viewsNov 10, 2011
YouTubeKhan Academy
Finding more angles | Angles and intersecting lines | Geometry | Khan Academy
6:05
Finding more angles | Angles and intersecting lines | Geometry | Kha…
366.8K viewsSep 22, 2011
YouTubeKhan Academy
6:03
Triangle angle example 1 | Angles and intersecting lines | Geometry …
701.2K viewsSep 22, 2011
YouTubeKhan Academy
11:13
Language and notation of the circle | Introduction to Euclidean geometr…
502.8K viewsSep 20, 2011
YouTubeKhan Academy
5:44
Volume of a cone | Perimeter, area, and volume | Geometry | Khan Ac…
616.3K viewsJul 16, 2015
YouTubeKhan Academy
13:03
Pythagorean theorem | Right triangles and trigonometry | Geom…
704.9K viewsApr 17, 2010
YouTubeKhan Academy
9:40
Intro to 30-60-90 triangles | Right triangles and trigonometry | Geom…
580.4K viewsMay 16, 2007
YouTubeKhan Academy
9:48
Angles (part 3) | Angles and intersecting lines | Geometry | Kha…
187.3K viewsNov 10, 2007
YouTubeKhan Academy
3:04
Angle bisector theorem examples | Geometry | Khan Academy
188.6K viewsOct 13, 2011
YouTubeKhan Academy
5:53
Pythagorean theorem and radii of circles | Circles | Geometry | Khan …
57.4K viewsDec 9, 2013
YouTubeKhan Academy
5:52
Triangle inequality theorem | Perimeter, area, and volume | Geo…
803K viewsDec 21, 2012
YouTubeKhan Academy
8:35
Angle bisector theorem proof | Special properties and parts of tri…
373.9K viewsOct 12, 2011
YouTubeKhan Academy
6:56
How to find the area of a triangle on a grid | Geometry | 6th grade | Kha…
392.5K viewsMar 4, 2015
YouTubeKhan Academy
11:06
Two column proof showing segments are perpendicular | Con…
314.3K viewsSep 23, 2011
YouTubeKhan Academy
1:47
Using reflection tool | Transformations | Geometry | Kha…
164.3K viewsJul 16, 2015
YouTubeKhan Academy
8:12
Points after rotation | Transformations | Geometry | Kha…
320K viewsJul 16, 2015
YouTubeKhan Academy
9:17
Basic trigonometry | Basic trigonometry | Trigonometry | Kha…
4.2M viewsFeb 15, 2011
YouTubeKhan Academy
12:11
Basic trigonometry II | Basic trigonometry | Trigonometry | Kha…
1.9M viewsFeb 15, 2011
YouTubeKhan Academy
2:14
Recognizing angles | Geometry | 4th grade | Khan Academy
283.6K viewsSep 11, 2015
YouTubeKhan Academy
8:07
Cylinder volume and surface area | Perimeter, area, and volume | Geo…
1.4M viewsApr 12, 2011
YouTubeKhan Academy
8:45
Basic Trigonometry
2.6M viewsAug 13, 2007
YouTubeKhan Academy
12:30
Circumcenter of a triangle | Special properties and parts of triangles | …
315.6K viewsOct 7, 2011
YouTubeKhan Academy
9:01
The angle game | Angles and intersecting lines | Geometry | Kha…
237.2K viewsNov 10, 2007
YouTubeKhan Academy
9:56
Introduction to angles (old) | Angles and intersecting lines | Geometry …
373.1K viewsNov 10, 2007
YouTubeKhan Academy
See more videos
Static thumbnail place holder