See the 30-60-90 triangle shown below:
We can see from this triangle that the side opposite of 60 degree is Square Root of 3 TIMES the side length of side opposite of 30 degree.
Given,
Side opposite of 30 degree = Sqrt(3)
Side opposite of 60 degree = Sqrt(3) x Sqrt(3)
So, this, simplified, is >>>>
Answer