The following video reviews these topics.

The patterns and rules of a 30 60 90 triangle

Given the short leg how do you find the long leg and the hypotenuse?

How to find the long leg or the hypotenuse given the short leg.

Given the short leg, find the long leg and hypotenuse of a 30 60 90 triangle

Given the long leg of a 30 60 90 triangle, find the short leg and the hypotenuse.