Math, asked by lucky0111, 1 year ago

find the square root of each of the following by prime factorisation 441

Answers

Answered by raksha1993
73
Hi

The answer is 21.

If you multiple 21*21=441

And you divide 441/2=21 (By this way also we can find out the square root of any number).

[method given below attechment]

♡I hope it's help♡
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Anonymous: you used a calculator. didn't you?
raksha1993: yes I used..
Anonymous: u found the answer first using a calculator
Anonymous: and then proved that it is the answer
Answered by Anonymous
39
its really simple
here you go!!!
441=3×3×7×7
√441=√3×3×7×7
=√9×49
=√9×√49
=3×7=21
and pls mark as brainliest


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