I don't understand this.
Options for answers are:
A. 11√2
B. 22√2
C. 10√2
D. 20√2
I'm in 8th Advanced Math.
![I dont understand this Options for answers are A 112 B 222 C 102 D 202 Im in 8th Advanced Math class=](https://us-static.z-dn.net/files/d1f/69e1507fdff2dfd0315ae0df1e6c2659.png)