Proving Circle Theorems - Angle at the Centre WORKSHEET

Suitable for Year groups: Year 10, Year 11
GCSE Tier: Higher
Targeting grades: 8-9
Prerequisite knowledge: Circle theorems, forming algebraic expressions.
Learning Objective: To be able to prove the circle theorem "the angle at the centre is twice the angle at the circumference".

Proving Circle Theorems - Angle at the Centre WORKSHEET DESCRIPTION

This worksheet will scaffold a method to prove the circle theorem ā€œthe angle at the centre is twice the angle at the circumferenceā€. Learners can follow a step-by-step method, filling in gaps of algebraic angle labels to complete the proof.

Learners could then be asked to recreate the proof by hiding this worksheet, only referring to it if needed.

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

Frequently Asked Questions

To be able to prove the circle theorem "the angle at the centre is twice the angle at the circumference".