Respuesta :

Yes these numbers are a perfect square root because:
Square root of 25 is 5 times 5
Square root of 36 is 6 times 6
Square root of 49 is 7 times 7
Square root of 64 is 8 times 8
Square root of 81 is 9 times 9
Square root of 100 is 10 times 10
HOPE THIS HELPS! ^_^
25,36,49,64 and 100 are square roots 81 is not perfect because no number multiplied by itself goes into 81

Hope this helps!

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