Circle Theorems (B) WORKSHEET
Suitable for Year groups: Year 10, Year 11
GCSE Tier: Higher
Targeting grades: 6-7
Prerequisite knowledge: Parts of a circle, Angles
Circle Theorems (B) WORKSHEET DESCRIPTION
This worksheet will help learners practise using the circle theorems “opposite angles in a cyclic quadrilateral add to 180 degrees” and “the angle in a semicircle is 90 degrees” along with the theorems covered in Circle Theorems (A).
Section A provides some straightforward diagrams with missing angles to find.
Section B then increases the complexity of the diagrams and changes the type of angle notation used. Follow on from this worksheet with Circle Theorems (C).
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Frequently Asked Questions
This circle theorems worksheet is designed for students in Year 10 and Year 11 and aligns with the UK National Curriculum.