Mathematics 0580 · IGCSE · Circle theorems I

Circle theorems I — practice question

A, B, C and D are located on the circle with centre O. BCE is a straight line. Angle AOC = 108^{\circ} and angle DCE = 60^{\circ}.
(main)[3]

Calculate the values for $w$, $x$ and $y$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “So, $w = 54$.” …

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