Answers

2015-08-05T16:53:39+05:30
Use the Factor Tree Method. Or learn sqroot table. Then you can find approximate sqroots easily. Or use Ion Division.
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  • Brainly User
2015-08-05T16:54:38+05:30
Square root should be calculated  twice the number   for example :
  2²
 2×2 =4

3×3= 9 
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