Answer:
I believe the answer is D, but I'm not entirely sure.
Step-by-step explanation:
The Pythagorean theorem is A squared times B squared equals C squared. So your closest statement is D.
Let me know if I'm wrong
Answer:
The answer would be D, or 
Step-by-step explanation:
A is 540
B is 30
C is 720
D is 360
The only values a cosine can have are from -1 to 1.
They would have played 20 games altogether