In this GCSE Maths video I will show you ALL the circle theorems you need to know!
0:09 Angle at Centre is Twice Angle at Circumference
0:39 Tangent and Radius meet at 90 Degrees
0:57 Two Radii Form an Isosceles Triangle
1:12 Angles in a Semi-Circle are 90 Degrees
1:35 Opposite Angles in a Cyclic Quadrilateral Sum to 180 Degrees
2:06 Tangents From the Same Point are Equal Length
2:31 Alternate Segment Theorem
2:56 Perpendicular Bisector of Chord Passes Through Centre
3:17 Angles in Same Segment are Equal
For worked exam questions, check out my TikTok: / jacktutorsmaths