Which equation could be used to find the length of the hypotenuse?

Triangle A B C. Side A C is 6 centimeters and side B C is 11 centimeters. Hypotenuse A B is labeled c.
6 squared + 11 squared = c squared
6 squared + c squared = 11 squared
c squared minus 6 squared = 11 squared
11 squared minus 6 squared = c squared