Answer:
C. 3 times the square root of 13
Step-by-step explanation:
The Pythagorean theorem states that A squared plus B squared = C squared. Therefore, 9*9 + 6*6 = c*c
81+36=117, so 117=c*c
the square root of 117 is c
square root of 117 can be simplified to 3 times the square root of 13
117= 9 * 13
9 squared is 3
117= 3 times square root of 13
