Question

by what smallest number must 180 be multiplied so that it becomes a perfect square? also find the square root of the number so obtained. please write in copy with process

Answer 1

I hope it will satisfy you

Answer 2

factorize 180 
= 2*2*3*3*5
 only 5 does not has a pair so multiply five on both sides 
180*5= 2*2*3*3*5*5
900=2*2*3*3*5*5
 take the pair and cut one of the number 
root over 900 = 2*3*5
                      = 30