8
six on the square root of three
1.7724538509......
1000
39.68626967
19
11.1803398
35.805
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
sqrt(112) = 10.58301
29 29X29=841
The answer is squareroot r2+h2 squareroot radiusxradius + heightxheight
Squareroot of 4 + Squareroot of 4 + Squareroot of 4 + 4=2+2+2+4=10