Question

http://prntscr.com/dbudoi

Answer 1

@zepdrix

Answer 2

When you take the square root of a `perfect square`,
you end up with a nice pretty number.

This doesn't happen for non-perfect squares though.

\[\large\rm \sqrt{9}=\sqrt{3\cdot3}=3\]
9 is a perfect square, so it gives us a rational number,
a "pretty" number as I like to call it.

Answer 3

Are any of the other numbers listed perfect squares? Hmm

Answer 4

9, 16, and 25
sso that means 12 and 20 are irrational?

Answer 5

yay good job