As a geometrical figure, a triangle does not have the ability to speak or possess any emotions or personality traits, including rudeness. In mathematics, shapes like triangles and circles are inanimate objects and do not engage in conversations or interactions.
However, it's not uncommon in casual and imaginative contexts for people to attribute human-like qualities and personalities to inanimate objects for fun or storytelling purposes. In such a scenario, the statement could be part of a fictional narrative or a playful representation, but it does not have any mathematical meaning.