A presentation may be defined as a process of communicating or conveying a topic to the audience. It is the practice of explaining or showing a topic to the audience.
When preparing a presentation, it is important to think about what the audience wishes to know rather than what we wants to speak.
Identifying the audience is very important before giving a presentation. Audience analysis includes identifying the audience and then adapting a topic or presentation to their interest and level of understanding.
Triumphantly is an adverb, so you would be looking for the verb that it modifies. I would choose the word “pressing.” Ask yourself, “how did he press down the alarm knob?” He pressed it triumphantly.
