Answer:
A perfect square is a number, which when you square root it you get a whole number without anything after the decimal point.
Step-by-step explanation:
For example:
16 is a perfect square. When you square root 16 you get 4 (√16 = 4)
Other numbers include:
4, √4 = 2
36, √36 = 6
49, √49 = 7
64, √64 = 8