Answers

  • Brainly User
2014-04-02T15:24:00+05:30
Find the factors
144=2^4X3^2=(2^2*3)^2=12^2
therefore  \sqrt{144}=12
and so for others
0
2014-04-02T15:31:21+05:30
1) divide ur no.s into perfect square factors.
2) take the square roots of ur perfect square factors.
3) if ur no. doesn't factor perfectly reduce ur answer into simplest terms.
4) if needed estimate.
5) alternatively reduce ur no. to its lowest common factors as ur first step.
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