$$a=2\sqrt{2\ },\ b=\ 4$$

$$a=2\ ,\ b=2$$

$$a=4\ ,\ b=2\sqrt{2}$$

$$a=4\ ,\ b=2$$

$$x=4\sqrt{2},\ y=4\sqrt{2}$$

$$x=4\ ,\ y=4$$

$$x=4\ ,\ y=4\sqrt{2}$$

$$x=4\sqrt{2},\ y=4$$

$$it\ is\ already\ simplified$$  

$$it\ should\ be\ \sqrt{3}$$  

$$\ it\ should\ be\ \frac{6\sqrt{2}}{2}=3\sqrt{2}$$  

$$it\ should\ be\ 3$$  

$$multiply,\ \sqrt{2}$$

$$multiply\ ,\ 2$$

$$divide\ ,\ \sqrt{2}$$

$$divide\ ,\ 2$$

$$5\ ft$$

$$5\sqrt{2}\ \ ft$$

$$10\ ft$$

$$\frac{5\sqrt{2}}{2}\ ft$$