Basic Triangles 

---

Video I
Courtesy: Mathantics
http://www.mathantics.com
https://www.youtube.com/channel/UCBuMwlP7kHkNxdPAqtFSJTw

Triangles - Math Antics

---

Videos II 
Courtesy: Don't Memorise
https://dontmemorise.com
https://www.youtube.com/channel/UCiTjCIT_9EXV1Wp1cY0zaUA

---

Video III
Courtesy: FuseSchool - Global Education
https://www.youtube.com/c/fuseschool
https://www.youtube.com/watch?v=hJq_c...

---

Types of Triangles 
Courtesy: Online Math Learning
​https://www.onlinemathlearning.com
https://www.onlinemathlearning.com/types-of-triangles.html

---

Interactive Triangles & Practice Questions 
Courtesy: Math is Fun 
​https://www.mathsisfun.com
https://www.mathsisfun.com/triangle.html

Interactive Triangles - Math is Fun

Triangles Practice Questions - Math is Fun

---