Circle Theorems | GCSE Maths Pro

In this video we go through each of the circle theorems. This is for Higher Tier students only. Check out the next video to practise questions on circle theorems.


Comment down below if you have any questions!


Circle Theorems videos:
Part 1 - Circle Theorems (this video)    • Circle Theorems | GCSE Maths Pro  
Part 2 - Circle Theorems Questions (next video)



Chapters:
0:00 Introduction
0:27 1. Angle at the centre is double the angle at the circumference
1:44 2. Angle in a semi-circle is 90°
2:52 3. Angles in the same segment are equal
3:40 4. Opposite angles in a cyclic quadrilateral add to 180°
5:38 5. Lengths of tangents are equal if drawn from the same point
6:57 6. Angle between radius and tangent is always 90° (perpendicular)
7:23 7. Alternate Segment Theorem - Angle between tangent and chord is equal to the angle in the alternate segment
9:53 8. Radius bisecting any chord at the midpoint will be 90°



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Welcome to the GCSE Maths Pro YouTube Channel! My name is Millie and I am a GCSE Maths tutor with 3+ years experience. I have created this YouTube channel to help a wider audience of students make some sense of GCSE Maths!