Q: What is the next square number after 81?

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no 81 is a square number the next square number is 100

The next perfect square after 78 is 81 (Â±92).

Nope - 81 is a square number, and the next one is 100. 89 is actually a PRIME number

64 is a square number (8 x 8). The next square number is 81 (9 x 9) The ones in between are not square.

The square number of 81 is 9. 9 x 9 = 81

81 is a square number

The square root of 81 is 9 which is a rational number

The square root of 6561 is 81

No but 81 is a square number

3 is the square root of 9. 9 is a square number. 9 is the square root of 81. 81 is a square number.

-81-14 is not a complex number. And its square is 9025.

5 is not a square number, the square numbers are: 1 4 9 16 25 36 49 64 81 100 122 144

The square root of any number between 64 and 81.The square root of any number between 64 and 81.The square root of any number between 64 and 81.The square root of any number between 64 and 81.

There is no square root for a negative number. It is an imaginary number.

yes it isThe square root of 81 is 9.

81 is a perfect square because 81 = 9 x 9

Yes. Square root of 81= 9

The square root of 81 is 9. The square roots of 81 are 9 and -9.

81

It is a square number

The 9th square number is 81

81 144

182.25. 16 is square of 4, 36 is a square of 6, 81 is a square of 9. So the next term will be a squre.24=46, 54=69, therefore 121.5=9*x, then you will get x=13.5 and square of 13.5= 182.25 thats all

81 is a square number because 81 is 9.9 x 9 and that makes is a square number. Somw how, i don't even know why 9.9 x 9 = 81. So that's all i know, that's alli can say.

the square root of 81== square root is when a number times itself to get a specific number e.g. square root of 81=9