A, B and C are points on a circle, centre 0. TCD is a tangent to the circle.
Angle BAC = 54°
(a) Find angle BOC, giving a reason for your answer.

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12.4, 12.387, 12.26, 12.252, 6.241, 6.2, 6.015, 6.009, 1.411, 1.2, 1.056, 1.007, 0.31,   0.13, 0.5, 0.04

step-by-step explanation:

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it is a horizontal line.

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