What are the possible ways of dealing with an angered person?

first of all i would try to know the basic interests of that person than i try to note the actual problem facing that person. in this way i will try to cool down the angered person

Avoiding involvement, or acting "distantly.

The eseiast way  to deal with anger person talk very politly and respectfully.Be focus on ur words and attitude.

first of all remove his angerness to solve his problem due to that he anger. and then gradually come to point