hey guys please answer my question and I'll mark u brainliest
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as we see
PQ is a tangent and it meets the circle at Q
so angle PQO is 90°
the angle qoa and boc( c is pb produced ) as both ∆ are similar by aa test angle pba is equal to angle PQO = 90°.
so as angle pba is 90°
pb is tangent
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