In a mathematial equation the letters wither represent a variable or a constant.
That is called a variable.
the letter is called a variable because it can be changed
Whole number is a math term. Weighted average is another math term.
Whole number is a math term. Weighted average is another math term.
exponent
geometry
Triangle?
RADIUS
Letters used in math are called variables.
quadrilateral quadrilateral
It's called a 'sector'.
Obtuse, octagon, odd number, one and oval are math terms. They begin with the letter o.