The length of the side of a square is 7√2.
To find the diagonal, you multiply one side of the square by √2. To find the side of the square, I just divided 14/√2 and got 7√2.
Number 7 on your picture is: 4 over 1 or 4/1
Number 8 on your picture is: 4 over 3 or 4/3
5+2h i think this is how it would be represented
I hope this helps you
2.x+3/2=6
2x+3=6.2
2x+3=12
2x=9
x=9/2
Look up on yt how to find those. They r pretty easy.