If a regular hexagon is inscribed in a circle of radius r, then its pe

1.	If a regular hexagon is inscribed in a circle of radius r, then its perimeter is:
A.	6 r
B.	3 r
C.	9 r
D.	12 r
Answer» B. 3 r

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If a regular hexagon is inscribed in a circle of radius r, then its perimeter is:

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