Symmetry Properties of Circle Chords

Symmetry Properties of Circle Chords

Secondary 3

\(PQ\) is a chord of a circle, centre \(O\) and with radius \(17\) cm.
Given that \(PQ=30\) cm, find the perpendicular distance from centre \(O\) to the chord \(PQ\).

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Answer:\(8\text{ cm}\)

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