If four vertices of a regular octagon are chosen at random, then the probability that the quadrilateral formed by them is a rectangle is [AMU 1999]

If four vertices of a regular octagon are chosen at random, then the p

1.	If four vertices of a regular octagon are chosen at random, then the probability that the quadrilateral formed by them is a rectangle is [AMU 1999]
A.	\[\frac{1}{8}\]
B.	\[\frac{2}{21}\]
C.	\[\frac{1}{32}\]
D.	\[\frac{1}{35}\]
Answer» E.

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If four vertices of a regular octagon are chosen at random, then the probability that the quadrilateral formed by them is a rectangle is [AMU 1999]

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