In the triangle PQR, right angled at P, what is the length of the side QR?
I) $$PQ^{2} + PR^{2}= 144$$
II) PQ+ PR =12

A

if the statement I alone is sufficient to answer the question.

B

if the statement II alone is sufficient to answer the question.

C

if the statements I and II together 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.