You don't expect an answer?
The answer is \(sin60\times \frac{20\sqrt3}{3}\) !
You are very welcome!
:P
I'll just tell you.
Obvious answer: 10
Smart answer: 2+8
See what I did there?
Now that I've posted a question I like to ask to have fun, I'll post actual math questions now.
A answer: 10
A Smart answer: 2+8
A Smarter answer: 28
A Smarter smart answer: 2.8888888
A Smarter smarter smart answer: A answer
I hope this helps you with this intriguing problem!