The tone that Portia was using on Brutus to find out his secret was that of a sincere one.
What tone did Portia use?
When Portia suspected that Brutus might be hiding a secret from her, she tried to find out what it was.
She knew that it would be best to use a sincere tone which would show that she cared for him.
Find out more on Portia and Brutus at https://brainly.com/question/1515271.
