the answer
a perfect square is a number that when two exact same number multiply each other, it produce
example 2 * 2 = 4
4 is a square number and the square root is 2
[tex]\begin{gathered} \text{square root of } \\ a.62=\sqrt{62}=7.87 \\ b.64=\sqrt{64}=8 \\ c.100=\sqrt{100}=10 \\ d.116=\sqrt{116}=10.77 \end{gathered}[/tex]the answer to your question is 64 and 100 which is option B and C
