It would obviously depend on the content of your letter and how you know to person.
For a complaint or sugestion I would use
To whomever it may concern,
I you know their name use
To ms/mr ..........,
No a letter to a famous person would need to be formal to get their attention
The friendly letter has a proper heading. Use the salutation, Dear, followed by the first name of the person you are addressing.
Dear _________, <---Name of person you are writing to
a business letter is talking about your business or company and a friendly letter is like telling someone you lost a jacket and asking them to find it for a reward
You are a friendly person.
the Iltutmish ruler was the first person to buy slaves for the military services called bandagan in persian.
Click the link to learn how to describe people. For a friendly person, you need to put down things that you think a friendly person would say and do.
yes they are friendly and likeable
the spelling "person" is correct (an individual).
A friendly letter is one you might write to a friend or close family member. The language used in the letter is informal, and most often you do not need to include your address at the top. They end in phrases such as "Your friend" or "much love" A business letter requires formal language usage. Sentences need to be full, and you need to include your address at the top. Business letters often have a title. They end in phrases such as "Yours Sincerely" and are often signed by the person sending the letter.
a veggy person
"She is a very friendly person." just think.