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Mathematics 8 Online
OpenStudy (anonymous):

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hartnn (hartnn):

= length of larger arc AB + AO+OB AO and OB are radius = 4 length of arc = r*theta theta in radians, so convert 300 into radians,

hartnn (hartnn):

length of larger arc AB = 4*300*pi/180

hartnn (hartnn):

Perimeter of shaded region = 4*300*pi/180 + 4+4

OpenStudy (anonymous):

thankssssss :)

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