how to find square root of 21
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21×21=441 but u need square root so 21 is not a square of any number
dekizuki:
ohh thanks
if you need 16 square root so 4 is square root of 16 because 4×4=16 and 5×5=25 then 25 square root is 5
4.59^2−0.0681
Answered by
4
You can use estimation method and get 4.59
Or you can use a calculator and get accurate answer
Or just ask google
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