Square Roots

• 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