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Proof of the Circle Theorems

Proof of the Circle Theorems

Hard
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Question 18

A,B,C A, B, C\,A,B,C and D D\,D are points on the circumference of a circle, centre OOO.

A circle with center O and an inscribed quadrilateral ABCD.

Prove that angle ABC ABC\,ABC and angle ADC ADC\,ADC add to 180∘180^\circ180∘

[4]
Markscheme

Proof of the Circle Theorems Questions

  1. GCSE
  2. /Maths
  3. /Proof of the Circle Theorems

19 exam-style questions on WJEC GCSE Maths Proof of the Circle Theorems. Each one has a worked solution and a mark scheme showing where the marks go.

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