six on the square root of three
11.1803398
1.7724538509......
7
19
8
39.68626967
35.805
29 29X29=841
squareroot
sqrt(112) = 10.58301
the diagnol is the side of the square times squareroot(2) so the length of the side is 11/squareroot(2) and in simplified form your final answer is 11*squareroot(2)/2