Book: NCERT - Mathematics
Chapter: 6. Squares and Square Roots
Subject: Maths - Class 8th
Q. No. 3 of Exercises 6.4
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Find the square root of the following decimal numbers
(i) 2.56 (ii) 7.29
(iii) 51.84
(iv) 42.25
(v) 31.36
(i) The square root of 2.56 is as follows:
1.6 | |
1 1 | 2.56 1 |
26 6 | 156 156 |
0 |
= 1.6
(ii) The square root of 7.29 is as follows:
2.7 | |
2 2 | 7.29 4 |
47 7 | 329 329 |
0 |
= 2.7
(iii) The square root of 51.84 is as follows:
7.2 | |
7 7 | 51.84 49 |
142 2 | 284 284 |
0 |
= 7.2
(iv) The square root of 42.25 is as follows:
6.5 | |
6 6 | 42.25 36 |
125 5 | 625 625 |
0 |
= 6.5
(v) The square root of 31.36 is as follows:
5.6 | |
5 5 | 31.36 25 |
106 6 | 636 636 |
0 |
= 5.6
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