Videos

Bisector of Angles
286

A Peek into the Past
69

What's the Logic
169

60 Degrees Too Many?
103

Why 60 and Not 61?
123

Some More Angles
75

90 Degrees
133

75 Degrees
432

Now Lines
123

Why Perpendicular Bisector?
265

Constructing Perpendicular Lines
126

Constructing Parallel Lines (Method 1)
164

Constructing Parallel Lines (Method 2)
74

Construction of Parallel at a Given Distance
130