Answer:
the different types of prepared speech is the impromptu talk,extemporaneous talk,memorized speech,speaking with notes and speaking from a manuscript...although they are different from each other,all they have some advantages and disadvantages....you know my favorite speech preparation is the extemporaneous talk because even though it has an disadvantages,it has a very nice advantages than other types of speech preparation...the advantages is that you can have an eye contact to the audience and also they go on in the flow of my ideas that you deal with..