Verified Answer :

When finding the square root of any number there is is the + and - root
when using this information to solve a problem only the positive root is used
you can't solve involving measurements using the - root

hope this helps

Answer:

Given: Square root of 25 .i.e., \(\sqrt{25}\)

When we find the \(\sqrt{25}\) . we get 2 answers that are +5 , -5

As, \((+5)^2 = 25\) . Also \((-5)^2=25\)

but while selecting value for radius we choose positive value of \(\sqrt{25}\) .i.e, +5 because Radius of circle should be a positive value as it is a Length.

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