find the missing sides if its a 30-60-90 triangle and the hypotenuse is 19
Sine(30)=Opp. side/Hypotenuse
.5=Opp. side/19
Opp.side=19 X .50=9.5
Cosine(30)=Adjacent/19
.8660254=Adj./19
Adj. side=19 X .8660254
Adj.=16.45
9.50^2 + 16.45^2=19^2 Very nearly.
