Question

http://puu.sh/dLJ6I.png

Answer 1

What kind of triangle is that?

Answer 2

It looks like a 30-60-90 triangle but it's not, because then x would be 6, which is not an answer choice

Answer 3

therefore it is a regular triangle where you need to use the formula

a^2+b^2=c^2`

Answer 4

Please plug the numbers into the formula.

Answer 5

3^2+6^2=?

Answer 6

@Gixxer_J

Answer 7

45

Answer 8

Square root of 45 in mixed radical form is...?

Answer 9

yes

Answer 10

it is \[3\sqrt{5}\]