Help. Can someone help me?

Answer:
the answer is B
Step-by-step explanation:
6^2 = 36
(sqrt45)^2 = 45
36+45 = 81
sqrt 81 = 9
Answer:
The answer is the 2nd answer
Step-by-step explanation:
45 + 36 does equal 81, which follows the pythagorean theorom