find the missing lengths and leave answers as radicals in simplest form?

Answer:
x=6
y=3
Step-by-step explanation:
y(side)= x
x(side)=2x
3rd side (3[tex]\sqrt{3}[/tex]) = x[tex]\sqrt{3}[/tex]
x=3;
x= 2(3)=6
y=(3)=3
Answer:
x = 6 ; y = 3
Step-by-step explanation:
x = 2y
4y² = y² + 27
3y² = 27
y² = 9
y = 3 and x = 6