81 = 9 x 9
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Seems to us that any value at all can be squared.
a(squared)+b(squared)=c(squared) The largest number is the c, and you can choose the a and b, since you need to find the a or the b. For example: You have the numbers 3, and 5 and you needed to find b. a(squared+b(squared)=c(squared) 3(squared)+b(squared)=5(squared) 9+b(squared)=25 -9 -9 b(squared)=16 Then take the square root b=4
A number squared means that the number is multiplied by itself.
If a number is to the power of 2 it is "squared". The number that is squared is the "root".
An odd number squared would always equal an odd number and an even number squared would always equal an even