SOLUTION: What do you do if an squared root of an number comes out as an dismal and the question says to put it in the simplest form? Do I have to round the whole number or do I have to do

Question 178639: What do you do if an squared root of an number comes out as an dismal and the question says to put it in the simplest form? Do I have to round the whole number or do I have to do the dismal? If I do have to dismal, How many numbers do I put down?
If you don't get that question, Here's the question I have to do and how far I have gotten:
Find the missing length. Write your answer in the simplest form.
A=5
b=2
c=?
5 squared + 2 squared
25+ 4
29=c squared
the root 29 is 5.3851. . .
How do I put that dismal into the simplest form?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!

29=c squared
the root 29 is 5.3851. . .
------------
the simplest form for "c" is sqrt(29)
===========
But sqrt(29) is an irrational number, so its decimal equivalent
is an endless list of digits that have no repeating pattern.
------
So, using decimals, you can only approximate sqrt(29)
=======================================================
Cheers,
Stan H.
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