Question

what is different in informal and formal letter ​

Answer 1

Explanation:

you write informal letter to your relatives and you write formal letters for your official work

Answer 2

Answer:

Informal letter is written to our relative, friend and someone who is very close to us .In this we use simple language which is used by us usually

Formal letter are written to our teachers, boss or someone who is on a big post. We use formal language in this