    Sentence: 1: How::can: pie “is the -tatio of  circurriference and diameter or equal to.'C’by  D because pie .is\ irtational~ number - and  circumference by diameter is rational?    Sentence, 2:-How. can ‘[inathi)\pil/math]’ be  irrational’ if .[math)pil/math] “is ‘equal. to’ a  circle's ‘circumference over its diameter?