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TIMER CAN SOMEBODY HELP ME???

TIMER CAN SOMEBODY HELP ME???-example-1

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hello!

here we have arc length is

s=r*theta(in radians)

so we have

s=(4.5cm)(pi/2)= 9pi/4 = 7.1cm

hope this helps. any questions please just ask. thank you kindly
User Glades
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