Ononot — A point P is outside a circle. A secant line from P intersec

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Euclidean 2Dmedium

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A point $P$ is outside a circle. A secant line from $P$ intersects the circle at $A$ and $B$ , such that $PA = 2$ and $AB = 7$ . If a tangent from $P$ touches the circle at $T$ , what is the length of $PT$ ?