Answer:
An appeal is a legal proceeding by which a case is brought before a higher court for review of the decision of a lower court, for example, if e verdict has been made and the lawyer is not satisfied with it, he can appeal.
A trial is a formal examination before a competent tribunal of the matter in issue in a civil or criminal cause in order to determine such issue.
Explanation:
When a lawyer appeals, if his appeal is granted, he goes to trial.