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Q: What is the root of 81 squared?

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

The cubed root of 726 is 9. 9 squared is 81

~18.721

-9 squared is 81.

3x squared - (3x) squared = 0

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

81

~18.721

The cubed root of 726 is 9. 9 squared is 81

The square root of 81 is 9. This is because 9*9 is 81. This also means that 81 is 9 squared or 92.

well, the square root of 81 is 9, and seven squared is 49, so it wud be 40

The cube root of 729 is 9 and 9 squared is 81.

When 100 is squared, the root is 10. That means you can multiply 10 by 10 and the answer is 100. The square root of 81 is 9 and 8 is the square root of 64.

8 and 9. 8 squared is 64. 9 squared is 81. 64 < 75 < 81, hence the square root of 75 is somewhere between 8 and 9.

x2=-81take the square root of both sidessince 81 is negative you need to take 81 times i when i=-1 then solve as the square root of 81. your answer is x=9i

With square roots if you have a number times itself or squared then that that product is that numbers square root example: 9x9= 81 81 square root is 9

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