its a number that a different number goes into equally
for example
25 is a perfect square because 5 times 5 is twenty five. two of the same number multiply and get the perfect square
8 times 8 is a perfect square
7 times 9 is not
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200 is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer.
A perfect square is a square of an integer (a whole number).
Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".
No, 15 is not a perfect square.
No, but a perfect square is usually the square of a whole number.