Triangle ABC is equilateral. Find the length of CD.
http://curriculum.kcdistancelearning.com/courses/GEOMx-HS-A09/a/assessments/T-TrianglesUnitExam/Geometry_Unit4_Exam_68q2.gif

Question

cowboy · Answer

Any help would be nice. I got an exam I need to complete within' 22 hours.

anonymous · Answer

http://regentsprep.org/Regents/math/algtrig/ATT2/Ltri30.htm

anonymous · Answer

you get it?

cowboy · Answer

Not really, still working on it.

anonymous · Answer

this for trig or?

cowboy · Answer

Whats trig?

anonymous · Answer

trigonometry

cowboy · Answer

No, Geometry.

anonymous · Answer

k, let me know what you get Ill verify

cowboy · Answer

Not sure, but I think I do something like 9^2 Then find the square root of that. Which is 27.

cowboy · Answer

Then divide 27 by 2....but it doesn't make sense.

anonymous · Answer

yeah thats not right on the steps. it's a rather involved solution. 
$$3\sqrt3$$
is the answer

cowboy · Answer

Ah, I been doing all kinds of problems today. I can't remember steps.