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Circle Theorems•
Circles•
Lines and Angles

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
Learning Objective: Finding angles using circle theorems

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).

All worksheets are created by the team of experienced teachers at Cazoom Maths.

Circle Theorems Worksheet fit for students in Year 10 and Year 11

RELATED TO Circle Theorems (B) WORKSHEET

Learning the Circle Theorems

Year groups: 10, 11

Preview of Learning the Circle Theorems

Circle Theorems (A)

Year groups: 10, 11

Preview of Circle Theorems (A)

Area and Circumference

Year groups: 8, 9

Preview of Area and Circumference

Circle Theorems (C)

Year groups: 10, 11

Preview of Circle Theorems (C)

Frequently Asked Questions

Students should have a solid understanding of the parts of a circle, including terms like radius, diameter, chord, and arc. They'll also need to be comfortable working with angles in general, as this foundation is essential before applying the more advanced circle theorems covered here.