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Mathematics
Problem
Point
A
A
A
is marked on the number line such that
O
A
=
8
OA=\sqrt{8}
O
A
=
8
, where
O
O
O
is the origin. A point
B
B
B
is then constructed on the same side so that
O
B
=
O
A
2
OB=\dfrac{OA}{2}
O
B
=
2
O
A
. Which number is represented by point
B
B
B
? a)
4
4
4
b)
8
\sqrt{8}
8
c)
2
\sqrt{2}
2
d)
2
2
2
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