Answer:
x=6
y=3
Step-by-step explanation:
y(side)= x
x(side)=2x
3rd side (3) = x
x=3;
x= 2(3)=6
y=(3)=3
<em>x = 6 ; y = 3 </em>
x = 2y
4y² = y² + 27
3y² = 27
y² = 9
<em>y = 3</em> and <em>x = 6</em>
x=2
1,3,1