Question

Which are perfect squares?

all that apply.

49

17

9

143

225

Answer 1

4

225

9

ep-by-step explanation:

Answer 2

Explanation:

A perfect square is an integer that is the square of another integer.

49 = 7*7 / 7 squared

9 = 3*3 / 3 squared

225 = 15*15 / 15 squared