![](https://www.sarthaks.com/?qa=blob&qa_blobid=4335285228206436115)
We know that the radius and tangent are perpendicular at their point of contact
In right triangle AOP
![](https://www.sarthaks.com/?qa=blob&qa_blobid=9841926537097966770)
Since, the perpendicular drawn from the center bisects the chord.
PA = PB = 6 cm
Now, AB = AP + PB = 6 + 6 = 12 cm
Hence, the length of the chord of the larger circle is 12 cm.