Mathematics 4024 · O Level · Circle theorems I

Circle theorems I — practice question

(a(i))[1]

Explain why triangle $AOB$ has two equal sides and is isosceles.

(a(ii))[3]

Find the size of $\angle BEC$.

(b)[3]

Calculate the area of the shaded region.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Because $AO$ and $BO$ are radii, the two sides are equal.

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