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In Figure, if tangents P Aa n dP B are d...

In Figure, if tangents `P Aa n dP B` are drawn to a circle such that `/_A P B=30^0` and chord `A C` is drawn parallel to the tangent `P B ,` then `/_A B C=` `60^0` (b) `90^0` (c) `30^0` (d) None of these

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