Given that (sqrt{2} = 1.414), find without using tables, the value of (frac{1}{sqrt{2}})

A.
0.141 
B.
0.301 
C.
0.667 
D.
0.707
Correct Answer: Option D
Explanation
(frac{1}{sqrt{2}}) = (frac{1}{sqrt{2}}) x (frac{sqrt{2}}{sqrt{2}})
= (frac{sqrt{2}}{2})
= (frac{1.414}{2})
= 0.707