'Dear Sir' in the formal letter is ____.

Salutation

The correct answer is Option (2) → Salutation

Salutation is the closest meaning to "Dear Sir" in a formal letter.

• Salutation is the formal greeting used at the beginning of a letter or email.
• "Dear Sir" is a specific example of a salutation used when addressing a man whose name you don't know.
• Address of the sender goes at the end of the letter, typically on the left side.
• Represents emotions and complimentary close are used at the end of the letter.