The corners of a square of side â€˜aâ€™ are cut away so as to – McqOptions

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1.	The corners of a square of side â€˜aâ€™ are cut away so as to form a regular octagon. What is the side of the octagon?
A.	a(âˆš2 â€“1)
B.	a(âˆš3 â€“1)
C.	a/âˆš2+2
D.	a/3
Answer» B. a(âˆš3 â€“1)

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