3:36

Constructing a Perpendicular Line

5:22

Constructing the Centroid of a Triangle

8:02

Incenter, Circumcenter, Centroid, Orthocenter (Properties & Diagrams)

6:53

Constructing Altitudes of Triangle

24:31

2.1.3 Documenting Your Design (CAD)

15:55

Solving 45 45 90 and 30 60 90 Special Right Triangles (Lots of Examples)

13:49

Math Olympiad | A Nice Algebra Problem | 95% Failed to solve!

6:19

Construction of angle of 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165 and 180 degree new