Question

Find x of the triangle?

Answer 1

Sorry, sloppy drawing

Answer 2

Have you learned about special kinds of triangles? Hint: This is a 30 60 90 triangle. The sides of such a triangle are always particular multiples of one another.

Answer 3

a right angle

Answer 4

wich is 90

Answer 5

Can you help walk me through it? I have no idea what to do.

Answer 6

I made a video which covers this. If you understand similar triangles, then this becomes an easy problem. :)

https://www.youtube.com/watch?v=wFmetfmpwXM&list=PL9FE48FF0B7A3E3F4&index=2

At 3:18 you can see the ratios of the sides of any given 30 60 90 triangle.

Hope this helps.