Answer:
A # is odd
Step-by-step explanation:
Hypothesis-----> conclusion
Vertical angles is an X but that's how you tell if they're vertical angles
6 ! = 720
the definition of n ! ( n factorial ) is
n ! = n(n - 1)(n - 2) ..........× 3 × 2 × 1
6 ! = 6 × 5 × 4 × 3 × 2 × 1 = 720
