At the end of this activity, students should be able to:
solve problems using properties of tangents
- solve problems using chord bisection by a perpendicular radius.

Connected with

Circle theorems [Class activity]

Consists of

The reasons for using circles [Animation]

Symmetry in a circle [ws]

The first tangent theorem [Animation]

The first tangent theorem – perpendicularity [Whiteboard exercise]

Solving problems using the tangent theorem [ws]

The tangent theorem – solving problems [Whiteboard exercise]

The second tangent theorem [Animation]

The second tangent theorem – equality in length [Whiteboard exercise]

The points on a straight line [Animation]

Using tangent theorems [Whiteboard exercise]

Construction of a perpendicular bisector [Animation]

Property of a perpendicular bisector [Animation]

The perpendicular bisector of a line segment [Animation]

The perpendicular bisectors [ws]

Chord bisector goes through the centre [Animation]

The perpendicular bisector in a circle [Animation]

The perpendicular bisector [Whiteboard exercise]

The centre of a circle [Animation]

Finding the centre of a circle [ws]

Solving problems [Whiteboard exercise]

Solving problems – the angles [Whiteboard exercise]

Equal segments [Animation]

Matches with

Resources structure

Grade 10 - 11

Mathematics

IX. The circle

53. Circle theorems

NCS Mapping

Grade 10 - 11

Mathematics

IX. The circle

53. Circle theorems

12.3.2

SA_2011_10_11_Math

Grade 10 - 11

Mathematics

IX. The circle

53. Circle theorems

12.3.2

YDP SA

Keywords

segment, circle, sector, arc, centre, origin, circumference, tangent, theorem, theorems, Circle theorems

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