So this is a 30 60 90 triangle, So the triangle is set up like 1 [tex] \sqrt{3 [/tex] 2(In accordance with the 30 60 and 90). So now divide the 16 by 2 to get the Y, which is 8. Now, to get the X you have to multiply the 8 by [tex] \sqrt{3 [/tex], so X = 8[tex] \sqrt{3 [/tex]