Question

I will mark as brainly but solve this question what should be subtracted from 18246 to get a perfect square number what is this perfect square number also find square root

Answer 1

According to the following hand-written calculation based on long division:

The answer is 21. It is easy to verify that  18,246−21=18,225=1352 .

Answer 2

Using Long Division Method,
1 | 18246 | 135
+1 | -1 |
-- | --- |
23 | 0 82 |
+3 | -69 |
--- | -------- |
265 | 1346 |
+5 | -1325 |
----- | ----- |
270 | 21 |

So, 21 must be subtracted from 18246 to get a perfect square.

=》 18246-21
= 18225

And, Square root of 18225 = 135