In a circle with centre

MATHEMATICS · Single correct · GCSE · Mathematics · Geometry and Measures · Geometry and Measures

Problem

In a circle with centre OO, chord ABAB subtends an angle of 110∘110^\circ at the centre. Point CC lies on the circle on the same segment as ABAB. Find ∠ACB\angle ACB. (a) 45∘45^\circ (b) 55∘55^\circ (c) 70∘70^\circ (d) 35∘35^\circ

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