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Help, !!!!!!!!!!!!!!!!!!!!!!

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Help, !!!!!!!!!!!!!!!!!

 

asked Jul 29, 2014 in GEOMETRY by anonymous

1 Answer

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From the figure central angle = 360 - 120 = 240

Radius = 9

Formula for arc length image

r = radius , image = central angle.

image

image

image

image

image

Second option is correct answer.

answered Jul 29, 2014 by david Expert
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