Length of a side of a square inscribed in a circle is a 2 units. The circumference of the circle is

Length of a side of a square inscribed in a circle is a 2 units. The c

1.	Length of a side of a square inscribed in a circle is a 2 units. The circumference of the circle is
A.	2 a units
B.
C.	a units
D.	4 a units
E.
Answer» B.

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Length of a side of a square inscribed in a circle is a 2 units. The circumference of the circle is

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