Answer:
square root (50) = 7.071
Step-by-step explanation:
Using Pthagoras' theorem, the diagonal length is
.
Therefore, the diagonal length is the square root of 5^2+5^2,
= 
= 
= 7.071
You take the decimal of say .48 and pull the it back so it would be 48%
42%. It is opposite angles to the angel that says 42