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OpenStudy (anonymous):
help please... find the length of the arc intercepted by the given central angle A in a circle of radius r. a= 14 pi/9 , r=0.125mm
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OpenStudy (anonymous):
a is angle, =14 pi / 9 = 4.88 radians = 0.778 of circle of 2 pi r circumference, so arc = 0.778 (2 pi) r = 0.61 mm
OpenStudy (anonymous):
thank u
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