similar
the number used to muliplpy the lengths of a figure to stretch or shrink it to a similar image.
what does key mean in math
a
about
Not similar, i.e., different.
I do not know of such a word related to math(s)
There is no such math word, so it does not mean anything. You may wish to check your spelling before posting questions!
The word at means the least
the word by means 'times' or 'multiply'
it mean per rate
arithemetic mean