Do rhetorical questions need a question mark?

Related questions

1. What does a backwards question mark mean?
2. How do you reverse a question mark?
3. What is the function of question mark?
4. What is an example of a complex question?
5. Do sentences beginning with I wonder need a question mark?
6. What is a question without a question mark?
7. Are question marks Universal?
8. Is a question mark a special character?
9. Why are Spanish question marks upside down?
10. How did the question mark originate?

Tags

1. #ended
2. #intent
3. #using
4. #common
5. #matches
6. #whatever
7. #rhetorical
8. #question
9. #really
10. #either
11. #punctuation
12. #period
13. #questions
14. #writer
15. #choice
16. #probably
17. #exclamation