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  1. Chapter 6 Class 8 Squares and Square Roots
  2. Serial order wise
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Transcript

Ex 6.4, 3 Find the square root of the following decimal numbers. (i) 2.56 Rough 24 × 4 = 96 25 × 5 = 125 26 × 6 = 156 Therefore, Square root of 2.56 = 1.6 Ex 6.4, 3 Find the square root of the following decimal numbers (ii) 7.29 Rough 45 × 5 = 225 46 × 6 = 276 47 × 7 = 329 Thus, Square root of 7.29 = 2.7 Ex 6.4, 3 Find the square root of the following decimal numbers (iii) 51.84 Rough 141 × 1 = 141 142 × 2 = 284 Thus, Square root of 51.29 = 7.2 Ex 6.4, 3 Find the square root of the following decimal numbers (iv) 42.25 Rough 123 × 3 = 369 124 × 4 = 496 125 × 5 = 625 Thus, Square root of 42.25 = 6.5 Ex 6.4, 3 Find the square root of the following decimal numbers (v) 31.36 Rough 104 × 4 = 416 105 × 5 = 525 106 × 6 = 636 Thus, Square root of 31.36 = 5.6

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.