AMC / AIME · Power of a Point · Easy
Power of a Point: From external point, tangent length math and secant external segment math. Find whole secant length.
Chord and tangent-secant.
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From external point, tangent length and secant external segment . Find whole secant length.
Hint and answer
Concept to use
Intersecting chords.
Hint
.
Answer
9
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