Perfect Square

1^2 =

1

2^2 =

4

3^2 =

9

4^2 =

16

5^2 =

25

6^2 =

36

7^2 =

49

8^2 =

64

9^2 =

81

10^2 =

100

11^2 =

121

12^2 =

144

13^2 =

169

14^2 =

196

15^2 =

225

16^2 =

256

17^2 =

289

18^2 =

324

19^2 =

361

20^2 =

400