Geometry - Finding the Altitudes of an Obtuse Triangle
4:34
Geometry - Finding the Perpendicular Bisectors of a Triangle
11:15
Altitude of a Triangle - Finding The Orthocenter
7:24
5.4 Orthocenter Compass Construction / obtuse triangle
6:45
Art of Problem Solving: Area of an Obtuse Triangle
4:15
Geometry - Finding the Angle Bisectors of a Triangle
6:53
Constructing Altitudes of Triangle
18:52
Geometry - Relationships in Triangles
10:18