30 is the unlike term cause it doesn’t have a variable match like the others i don’t know if I did it wrong I’m sorry
We don’t have any of the “images” to answer this question.
The first person who calculated pi was <span>Archimedes got really close however with the mathematics he had in his time he did not have decimal points nor could he use the number 0. So it has to latter once people recognize 0 as a number and the decimal point that we get what we have today. </span><span />
