Question

Find the least number that must be subtracted to 6412 so as to get a perfect square. Also
find the square root of the perfect square.
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Answer 1

Answer:

12 must be subtracted.

The square root of 6400=80

Answer 2

We have to subtract 12 from 6412 to make it perfect square and 80 will be square root of 6400

Step-by-step explanation:

We have given number is 6412

We have to find the the least number which , when subtracted from 6412 then the resulted number will become a perfect square

Before 6412 , 6400 is a perfect square

So 6412-6400 = 12 , we have to subtract 12 from 6412 to make it perfect square

And now we have to find the square root of this perfect square

So $\sqrt{6400}=\sqrt{80\times 80}=80$

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