### 00h 46m

Lines and Angles- How do we Construct a Perpendicular Bisector of a Line Segment?03m 38s
- Logic behind the Construction of a Perpendicular Bisector of a Line Segment03m 19s
- How do we Draw a Perpendicular to a Line from a Point Not on that Line?01m 26s
- Logic behind Drawing a Perpendicular to a Line from a Point Not on that Line02m 27s
- Which are the Different Types of Angles?05m 36s
- How do we Construct an Angle Bisector?
- Logic behind the Construction of an Angle Bisector01m 42s
- How do we Construct a 30 Degree Angle?01m 35s
- Logic behind the Construction of a 30 Degree Angle01m 50s
- Logic behind the Construction of a 45 Degree Angle02m 10s
- How do we Construct a 60 Degree Angle?01m 19s
- Logic behind the Construction of a 60 Degree Angle01m 20s
- How do we Construct a 90 Degree Angle?01m 32s
- How do we Construct a 120 Degree Angle?01m 50s
- Logic behind the Construction of a 120 Degree Angle01m 49s
- How do we Construct 30; 60 and 120 Degree Angles in one go?02m 43s
- Pairs of Angles02m 06s
- What are Adjacent Angles?04m 08s
- What are Complementary Angles?02m 26s
- What are Supplementary and Vertically Opposite Angles?03m 53s