What is the square root of 45?

kerrum75

kerrum75

Answered question

2021-12-20

What is the square root of 45?

Answer & Explanation

Medicim6

Medicim6

Beginner2021-12-21Added 33 answers

Notice how 45 has a perfect square factor.
45
=95
=±35
Now if you wanted the decimal answer, you could estimate it.
|4|=2
|9|=3
You could say with reasonable accuracy that:
|5|5494(32)+22.2
...making 45±32.2=±6.6
In actuality, |5|2.236 , and |45|±6.708 , so it's not too bad of a guess.
kaluitagf

kaluitagf

Beginner2021-12-22Added 38 answers

Rewrite 45 as 325
325
Pull terms out from under the radical.
35
The result can be shown in multiple forms.
Exact Form:
35
Decimal Form:
6.70820393
RizerMix

RizerMix

Expert2021-12-29Added 656 answers

45=95
45=95=35

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