Chord AB of a circle when extended meets the tangent to the circle at point P. PT is the tangent touching the circle at point T. If lengths of PT and PB are 6 cm and 4 cm respectively, what is the length of PA?
Aptitude
Area
Choose an option
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A12 cm
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B11 cm
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C10 cm
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D9 cm
Answer
Correct Answer: 9 cm