Answer :
[tex]A\ perfect\ square\ is\ a\ number\ that\ can\ be\ expressed \\as\ the\ product\ of\ two\ equal\ integers.\\\\50\ <\ n^2\ < \ 150\\\\8^2=64,\ \ 9^2=81,\ \ 10^2=100,\ \ 11^2=121\ \ 12^2=144\\\\Ans.\ The\ perfect\ aquares\ are:\ \ 64,\ 81,\ 100,\ 121,\ 144[/tex]
