Question

Find the square root of the following decimal numbers.
(i) 2.56 (ii) 18.49
(iii) 68.89. (iv) 84.64
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Answer 1

Answer:

MATHS

EASY

Find the square roots of the following decimal numbers.

i) 2.56 ii) 18.49 iii) 68.89 iv) 84.64

ANSWER

1

2.56=1.6×1.6

∴

2.56

=1.6.

2

18.49=4.3×4.3

∴

18.49

=4.3

3

68.89=8.3×8.3

∴

68.89

=8.3

4

84.64=9.2×9.2

∴

84.64

=9.2

Answer 2

i) √2.56 = 1.6

ii) √18.49 = 4.3

iii) √68.89 = 8.3

iv) √84.64 = 9.2