I need help with question 4

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

What additional information could be used to prove abc =mqr using sas? check all that apply.

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?