both 3and 4 question
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AB is the chord for circumcircle
And AB is the tangent of incircle
So angle OC perpendicular on AB ( point of contact )
And in circumcircle.
Perpendicular from centre divide the chord in equal parts
AB is the chord for circumcircle
And AB is the tangent of incircle
So angle OC perpendicular on AB ( point of contact )
And in circumcircle.
Perpendicular from centre divide the chord in equal parts
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