Mathematics 0580 · IGCSE · Circle theorems I

Circle theorems I — practice question

Points $A, B, C$ and $D$ are located on the circle with centre $O$.
(main)[2]

Determine the value of $x$ and the value of $y$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Thus, $x = 55$.” …

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