TA and TB are tangents to a circle from an external point T. Whatis the length of the chord AB?
I. Radius of the circle is 6 cm
II. AT = 8 cm

A

if the statement I alone is sufficient to answerthe question.

B

if the statement II alone is sufficient to answerthe question.

C

if both the statements I and II are sufficient to answer the question but neither statement alone is sufficient.

D

if both the statements I and II together are not sufficient to answer the question and additional data is required.