Circle Theorem Proofs - GCSE Higher Maths

This video is for students aged 14+ studying GCSE Maths. A video explaining how to prove the six circle theorems needed for the GCSE examinations. This is suitable for the higher GCSE maths course. Exam Question Booklets:📝 🔗Exam Question Edexcel Style: https://www.1stclassmaths.com/_files/ugd/9f3fb0_87b86fd65506450884f27dd00e796480.pdf 🔗Exam Questions AQA Style: https://www.1stclassmaths.com/_files/ugd/9f3fb0_05a66031b6df4a6081a67b2789ca8b43.pdf https://www.youtube.com/watch?v=dBIlCD_JF9Q 🌐 https://www.1stclassmaths.com/ for more high quality revision questions. 0:00 Intro 0:38 Proof 1 - Angles in a semicircle is 90° 4:49 Proof 2 - Angle at the centre is twice the angle at the circumference 7:53 Proof 3 - Opposite angles in a cyclic quadrilateral add to 180° 10:00 Proof 4 - Angles at the circumference in the same segment are equal 11:23 Proof 5 - Alternate Segment Theorem 13:49 Proof 6 - A radius bisects a chord at 90° To help my channel: ❤️Like 💬Comment 🔔Subscribe Follow me on: https://www.tiktok.com/@1stclassmaths https://www.instagram.com/1stclassmaths/ https://twitter.com/1stclassmaths 🦋 https://bsky.app/profile/1stclassmaths.bsky.social