Question

What should be added to 398 to get a perfect square?

Answer 1

Heya !!!








(19)² = 361



(20)² = 400



Let X Should be added to 398 to make it perfect square.



Therefore,



398 + X = 400



X = 400-398


X = 2




Hence,



2 should be added to 398 to make it perfect square.




★ ★ ★ HOPE IT WILL HELP YOU ★ ★ ★

Answer 2

Hey !!

Here is Your Answer.

We know that
19² = 361, and
20² = 400.

Here, 19²<398<20²

So, Next Perfect Square After 398 is 20².

Therefore, Number. Should. be. Added. To. 398. To. Get. A. Perfect. Square. Is .....
= 20² - 398
= 400-398 = 2


Hope It Helps