How did you know it was a perfect square if you did not know the square root?
If it is not a perfect square, there are lots of different ways to approximate it, including trial and error.
eg
sqrt 5
guess 2.1 --> 4.41
2.2 --> 4.84
2.3 --> 5.29
oh
2.25 --> 5.0625
etc
how do u do square roots of perfect and imperfect squares?
2 answers
how do u do the imperfect squares?
1 answer