Question

Find the length of side AC.

Answer 1

Oh wait that's sine

Answer 2

What Ive got so far:

\[\sin45 = \frac{ x }{ 5 }\]

Answer 3

You're doing it right. Just solve for x with a calculator

Answer 4

X is roughly 3.54

Answer 5

https://gyazo.com/b4583ba7afc80fd58b80fcc1dcf34661 Problem is, all the answers are in this format. That's the only real issue I'm having- I have no clue how to turn 3.54 into that, or what have you.

Answer 6

just plug those answers into your calculator and see which one is the closest to 3.54

Answer 7

Alrighty

Answer 8

Let me know what you think it is and I will tell you if it is right :)

Answer 9

I got it! It was D (5*sqrt2/2)

Answer 10

Awesome!

Answer 11

Thanks!