Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to learn and recognise. Questions can have a combination of theorems. It is important to ...

This resource contains material for four lessons on the GCSE circle theorems topics. Each lesson has a PowerPoint including explanations, proofs, starters and plenaries. The worksheets have example ...

This is a Word document worksheet involving finding the missing angles using circle theorems for KS4. A colleague of mine gave me this idea of using records and circle theorems – you have to calculate ...

Two congruent angles are simply pairs of angles with equal measures. You can find congruent angles examples in hundreds of everyday objects. For instance, think of any time you've tried to draw a ...

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