Respuesta :

LunarRose3

Answer:

81. A perfect squarre is when you find the square root of a number and it is a whole "perfect" number, not 4.23585, for example.

Step-by-step explanation:

Answer:

81

Step-by-step explanation:

the sqaure of a number is a number times itself so the sqaure root of 81 is 9 because 9*9=81 hope this clears it up for you