Question

If x= 2 and r= 5, then y= ?

Answer 1

\[x^2 + y^2 = r^2\]
\[y^2 = r^2 - x^2\]
\[y = \sqrt{r^2 - x^2}\]
\[y = \sqrt{5^2 - 2^2}\]

Answer 2

What about if r= 25 and y= 15 then x=?

Answer 3

what do you think? :)

Answer 4

Um, 25^2/15^2 ?

Answer 5

Ohhh, nevermind. you totally told me up above! ^ lol. Thanks.

Answer 6

haha yeah :)

Answer 7

Sorry bout that, its that blonde coming through. :)

Answer 8

lol i thought you were brunette