Question

How would you find x in this triangle?

Answer 1

This triangle...

Answer 2

18

Answer 3

@Loser66 Could you please elaborate on how you came to that conclusion?

Answer 4

it 's a right triangle, and you have the formula to find out sin (30) = opposite / hypotenuse
and sin (30 ) = 1/2
so, \(\dfrac{1}{2}=\dfrac{opposite}{hypotenuse}\rightarrow hypotenuse =2~*opposite=2*9=18\)

Answer 5

What does "sin" stand for?

Answer 6

sin is sin, ha!! how can you not know what sin is . It's trig

Answer 7

http://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet.pdf

Answer 8

Sorry, I have just started geometry. I'm kinda confused so I'm trying to get all my stuff straight.

Answer 9

read my link, it tells you what sin is and it indicates to trig

Answer 10

Ok, thanks.