Answer:
C I'm pretty sure
Step-by-step explanation:
sorry if I'm wrong
Short leg = 6.
Hypotenuse = 2x
short leg = x
long leg = x√3
Hypotenuse = 2x=12
x = 12/2
x=6
short leg = x = 6
i dont know
sorry my man my school is still just going into these kind of questions ):