Q. PAB and PCD are two secants to a circle. If PA = 10 cm, AB = 12 cm and PC = 11 cm, then what is the value (in cm) of PD?
A) 9
B) 18
C) 12
D) 20
✔ Correct Answer: 20
Exam Insight
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A) 9
B) 18
C) 12
D) 20
✔ Correct Answer: 20
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