Angles and the Centre & Circumference of a Circle

Curriculum support15 minsFREE

Key takeaways
Prove that the angle at the centre is twice the angle at the circumference. 
Apply this circle theorem to a range of problems. 
Use this circle theorem in conjunction with other circle theorems (e.g. angles in a cyclic quadrilateral). 
Shahriyar HajghassemHost: Shahriyar is a Maths Teacher at a School in Northwest London, teaching years 7 to 11. He graduated from the University of Warwick in 2013 and set off to China for two years teaching IGCSE and A-Level Economics.

One of the circle theorems that students need to know is that the angle at the centre of a circle is twice the angle at the circumference.

In this class, students will learn the proof if this circle theorem and in turn apply it to a range of exam style questions. 

This is a great class for revision of the topic or for those learning the subject for the first time!

Safeguarding reminder:The safety of your child is of the utmost importance. All of our classes are pre-recorded to remove any concerns around live participation. For reruns of our past live classes, students' webcams and microphones were disabled and only the chat history, if participation was requested, is visible.

Suitable for:

Students studying GCSE Maths.

Class requirements:
You will need a laptop or device with internet connection to watch the class, as well as a pen and notepad for taking notes.
What to expect:
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