
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.
That would be 1/4 * 28 = 7 ins^2
I’m not sure, you’re not elaborating enough to this equation. Are you sure you’re not missing a phrase of some sort?
With parallel lines, they will never touch one another. Therefore, there shouldn't be any solution.