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What is the value of AC if radius of circle is 5cm and OB = 3cm?

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The perpendicular from the centre of a circle to a chord bisects the chord. The theorem states that if O is the centre and PQ is the chord, then the perpendicular OR from the centre O to the chord PQ bisects the chord PQ (i.e.) PR = RQ.


What is the value of AC if radius of circle is 5cm and OB = 3cm?<br /><img src='https://www.fatskills.com/class9maths/mathematics-questions-answers-perpendicular-centre-chord-q1.png' width='213' height='220' />






 
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