Square root

Chapter 6 Class 8 Squares and Square Roots
Concept wise

Perfect square is a number whose square root is an integer

Example :

2 2 , 3 2 , 4 2 , 5 2 , 6 2 , 7 2 , … are perfect squares

i.e. 4, 9, 16, 25, 36, 49, … are perfect squares

 Square of integers List of Perfect Squares 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 21 2 441 22 2 484 23 2 529 24 2 576 25 2 625 26 2 676 27 2 729 28 2 784 29 2 841 30 2 900 31 2 961 32 2 1024 33 2 1089 34 2 1156 35 2 1225 36 2 1296 37 2 1369 38 2 1444 39 2 1521 40 2 1600 41 2 1681 42 2 1764 43 2 1849 44 2 1936 45 2 2025 46 2 2116 47 2 2209 48 2 2304 49 2 2401 50 2 2500 51 2 2601 52 2 2704 53 2 2809 54 2 2916 55 2 3025 56 2 3136 57 2 3249 58 2 3364 59 2 3481 60 2 3600 61 2 3721 62 2 3844 63 2 3969 64 2 4096 65 2 4225 66 2 4356 67 2 4489 68 2 4624 69 2 4761 70 2 4900 71 2 5041 72 2 5184 73 2 5329 74 2 5476 75 2 5625 76 2 5776 77 2 5929 78 2 6084 79 2 6241 80 2 6400 81 2 6561 82 2 6724 83 2 6889 84 2 7056 85 2 7225 86 2 7396 87 2 7569 88 2 7744 89 2 7921 90 2 8100 91 2 8281 92 2 8464 93 2 8649 94 2 8836 95 2 9025 96 2 9216 97 2 9409 98 2 9604 99 2 9801 100 2 10000

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