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Best Answer
No negative number can be a square. (At least not using
the kind of numbers you've learned to use so far.)
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Earn +20 ptsQ: Is - 81 a perfect square?
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Why is 81 a perfect square?
Because 9*9 = 81
Which is a perfect square betweenn 81 and 121?
100
What are the first 10 perfect squares?
The first ten perfect squares are 1, 4, 9, 16, 25, 36, 49, 64, 81, and 100.
Is 55 a perfect square?
no it is not. perfect squares are 1 4 9 16 25 36 49 64 81 100 121 144 169...
How many square feet are in 81 square yards?
729 square feet in 81 square yards.
Related questions
Is 81 a perfect square?
81 is a perfect square
What is 81 a perfect square by what number?
81 is a perfect square because 81 = 9 x 9
Why is 81 both a perfect square and a perfect cube?
81 is a perfect squarebecause 81 = 9*9. It is NOT a perfect cube.
What is the perfect square of 9?
The perfect square of 9 is 81.
What has to do with 81?
81 is a perfect square. 9 x 9 = 81
Why is 81 a perfect square?
Because 9*9 = 81
What is the largest perfect square factor of 810?
81
What is a perfect square 18 81 50 32?
It is: 81
What is the perfect square of 3321?
81
What is the the next square number after 81?
The next perfect square after 81 (92) is 100 (102).
How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
Is the number 81 a perfect square?
Yes because 9*9 = 81
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