It is a Wedge because of its shape
That statement is true.
The term pius is often used to describe people who are always devoted in fulfilling his/her duty, either it's in normal household or religious institutions.
Because of this definition, many religious workers often adopted this name as a form of commitment toward their cause.
Non- experienced aerospace engineers usually need to have a bachelors degree. If you want to become an aerospace engineer, you can take: chemistry, physics, math, algebra, trigonometry, and calculus.