Master the 6 Key Circle Theorems for GCSE 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