They are inverse relations. That is,
if A and B are any numbers and
if A is the square of B
then B and -B are the square roots of A.
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perfect squares
With square roots if you have a number times itself or squared then that that product is that numbers square root example: 9x9= 81 81 square root is 9
The square root of 670 is approximately 25.88435821. It is between the squares of 25 and 26.
The square root of any perfect square, or a ratio of perfect squares. eg sqrt(9/25) = 3/5, is rational.
No because the square root if 29 is a decimal number. only perfect squares like 36=6 cN be rational or any other squares with a terminating repeating decimal.