A point P is located outside the circle with centre O. A tangent from point P
touches the circle at A and a secant from P cuts the circle at B and C respectively.
PA =12cm PC= 16cm. Find the length of chord BC.
a) 12 b) 8
c) 9 d) None of these
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Always remember that the tangents and radius form 90 degree with each other !
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