Answer:
lumakad silang dalawa
Step-by-step explanation:
lumakad silang dalawa

it just so happen that √2 is an irrational number, so any product with it as a factor, will yield an irrational number as well.
factoid: Ancient Greeks were scared of irrational numbers, and they steered clear from √2.
There are three elements in that set.
It could be any fraction from 5/9 to 7/9.