Question

define perfect square ?​

Answer 1

A perfect square is a number, from a given number system, that can be expressed as the square of a number from the same number system. Examples of Numbers that are Perfect Squares. 25 is a perfect square. 25 is a natural number, and since there is another natural number 5, such that 52 = 25, 25 is a perfect square.

Answer 2

Answer:

A number made by squaring a whole number.

For example :

16 is a perfect square because 42 = 16

25 is also a perfect square because 52 = 25

etc...