Often, you want one or another of the lengths in the right triangle. The Pythagorean theorem gives a relation between the squares of those lengths, so you take the square root as a last step. The last step may be to simplify that square root.
The amount of apples picked by the farmers is: Farmer A=38%=0.38 Farmer B=22%=0.22 Farmer C=0.29 Farmer D=0.2 Thus the order from the least to greatest by th number of apples they pick will be: D,B,C,A that is: Farmer D, Farmer B, Farmer C, Farmer A