Symmetrical Properties of Chords in a Circle

Symmetrical Properties of Chords in a Circle

Secondary 3

The figure shows a circle with centre \(O\).
\(AB=8\) cm and \(OM=ON=3\) cm.

Find the length of \(CN\).
Find the radius of the circle.

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Answer:(a) \(4\text{ cm}\) (b) \(5\text{ cm}\)

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