Triangle PQR has angle PRQ equal to 90 degrees. What is the value of PR + RQ?

A. Diameter of the inscribed circle of the triangle PQR is equal to 10 cm.
B. Diameter of the circumscribed circle of the triangle PQR is equal to 18 cm

A

the question can be answered by one of the statements alone, but cannot be answered by using the other statement alone.

B

the question can be answered by using either statement alone.

C

the question can be answered by using both the statements together, but cannot be answered by using either statement alone.

D

the question cannot be answered even by using both statements together.