Question

81,Check if the given number are perfect square or not.

Answer 1

Hola!!➡

✔81 is a perfect square

✔81=9×9

✔81=9^2

hope it helps ☺

#be brainly

Answer 2

Solution :

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Perfect Square number :

Perfect square numbers is

m = n × n ( Where m and n are

integers )

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Now ,

81 = 9 × 9 = 9²

[ Perfect square ]


Therefore ,

81 = 9² is a perfect square .

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