Question

find the least number which must be added to 252​

Answer 1

Answer:

ANSWER

We know that:

225<252<256

152<252<162

So 4 must be added to 252 to make it a perfect square.

Answer 2

Answer:

We know that:

225<252<256

15² <252<16²

So 4 must be added to 252 to make it a perfect square.

hope this helps you ☺️