Circle Geometry Notes for CSEC Mathematics

This Circle Geometry video is supported by three videos showing Paper II solutions on the topic: from May 2009 to May 2022.

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This is the order we recommend you study CSEC Math, using our guide and our playlist of Past Paper Solutions in CSEC Maths

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These are some links to different playlist (topics) notes in Math CSEC that have been uploaded
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There are two major differences in the old syllabus compared to the new one. Sets are no longer tested in Paper 2. It is only tested as 6 multiple choice questions in Paper 1 and vectors and matrices are tested in both Papers. Paper 1 is worth 60 marks, which is equivalent to 30 percent of the final grade, and Paper 2 is worth 100 marks, which is equivalent to 50 percent of the final grade.
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00:00 Start
1:26 Circle Geometry
3:23 Arcs and Sectors of a Circle
4:31 Segments, Secants and Tangents of a Circle
7:19 Congruent, Similar and Lines of symmetry
7:05 Circle Theorem: angle at the centre is twice the angle at the circumference
13:08 Circle Theorem: angles at the circumference are the same in the same segment
14:51 Circle Theorem: right angle from the centre to a tangent or chord
15:45 Circle Theorem: circumscribed triangles and exterior angles
19:01 Circle Theorem: cyclic quadrilaterals and exterior angles
22:28 Circle Theorem: length of tangents from a point
23:41 Past paper questions with conclusion