Triangles - Basic Introduction, Geometry
23:02
YouTubeThe Organic Chemistry Tutor
Triangles - Basic Introduction, Geometry
This geometry video provides a basic introduction into triangles. It explains how to calculate the measure of an interior angle of a triangle as well as the exterior angle. The sum of all three interior angles is 180. The exterior angle is the sum of the two remote interior angles according to the exterior angle theorem. In addition, this video ...
已浏览 70.6万 次2017年12月27日
Triangle Geometry
Intro to 30-60-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy
9:40
Intro to 30-60-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy
YouTubeKhan Academy
已浏览 58万 次2007年5月16日
Types Of Triangles And Their Properties
2:40
Types Of Triangles And Their Properties
YouTubeMinity Maths
已浏览 16.2万 次2021年6月28日
Review of triangle properties | Special properties and parts of triangles | Geometry | Khan Academy
9:57
Review of triangle properties | Special properties and parts of triangles | Geometry | Khan Academy
YouTubeKhan Academy
已浏览 17.8万 次2011年10月20日
热门视频
Types of Triangles in Euclidean Geometry
5:25
Types of Triangles in Euclidean Geometry
YouTubeProfessor Dave Explains
已浏览 8万 次2017年10月17日
Maths Tutorial: Trigonometry Law of Sines / Sine Rule
9:53
Maths Tutorial: Trigonometry Law of Sines / Sine Rule
YouTubeFurther Maths
已浏览 214.9万 次2012年10月11日
Special Right Triangles - 45 45 90 - Trigonometry & Geometry | SAT Math
10:28
Special Right Triangles - 45 45 90 - Trigonometry & Geometry | SAT Math
YouTubeThe Organic Chemistry Tutor
已浏览 24.5万 次2017年11月7日
Triangle Area Formula
Triangles
11:05
Triangles
YouTubeThe Organic Chemistry Tutor
已浏览 21.3万 次2017年7月24日
Triangles for Kids - Equilateral, Isosceles, Scalene, Acute Triangle, Right Triangle and Obtuse
2:56
Triangles for Kids - Equilateral, Isosceles, Scalene, Acute Triangle, Right Triangle and Obtuse
YouTubeSmile and Learn - English
已浏览 31.3万 次2020年4月16日
Special Right Triangles - 30 60 90 - Geometry & Trigonometry | SAT Math
11:12
Special Right Triangles - 30 60 90 - Geometry & Trigonometry | SAT Math
YouTubeThe Organic Chemistry Tutor
已浏览 44.5万 次2017年11月7日