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6 November, 16:35

Which of the following is not a perfect square?

A. 36

B. 45

C. 64

D. 81 ... ?

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Answers (1)
  1. 6 November, 19:59
    0
    In your question, 45 is not a perfect square.

    A perfect square is when you divide or multiply the number by itself.

    36 is a perfect square because it's factor is 6 x 6 (6,6).

    64 is a perfect square because it's factor is 8 x 8 (8,8).

    81 is a perfect square because it's factor is 9 x 9 (9,9).
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