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The length of the arc $\,\stackrel \frown{AB}\,$, as in the picture, is
22 cm
and
O
is the center of the circle. The perimeter of the circle (circumference) is:
a)
990 cm
b)
67 cm
c)
176 cm
d)
88 cm
e)
none of these answers
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answer: Answer (C)
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