Answer:
I wish I can help you but I do not know what you talking about?
A Vietor Triangle is a schematic representation of vowel sounds, created by Wilhelm Vietor (1850-1918, German philologist and phonetician). It shows the position of the tongue and jaw according the vowel sound(s) required when speaking. ... The tongue moves either vertically and horizontally within the oral cavity.
In order to answer this set of questions, I suggest you read the story, highlight and/or underline key words, context clues, important dates, names, etc, and it'll be much easier for you to provide the correct answer for each question. good luck
Bachelors and masters degree atleast