Question

what is perfect square​

Answer 1

how given any number

Answer 2

The square of a number that is the number itself is known as a perfect square

Eg 1 , 4 , 9 , 16

1*1=1

2*2=4

3*3=9 .......

If root 9 is given than it is root 3*3 = 3

Hope it helps you