Answer: 20. 4, 3, 2, 1...
21. 17....
Step-by-step explanation:
6 5/6 just subtract 2 from the whole (8)
Answer:
The both on the right are the correct answers
Step-by-step explanation:
This is because rotational symmetry is defined as the property a shape has when it looks the same after some rotation by partial turns.
Im pretty sure tge answers -1.68426
