If half of sqrt(2) is sqrt(K) then what is the value of K?

Question

1) 1/2
2) 1
3) 3/2
4) 2
5) 5/2
6) 5/3
7) 5/4
8) 7/6
9) 6/13
10) 3/16

Answer 1

we have

(1/2)*[sqrt(2)] == [sqrt(k)]

squaring both sides we get

(1/4)*[2] ==  k

or K = 1/2 == .5

Answer 2

Result: One-half.