Find the Triangle’s angles

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false

What are the triple angle formulas? is it related to double angle identities?