josh1671
josh1671 josh1671
  • 03-03-2017
  • Mathematics
contestada

c=2πr,when C=88cm.use 22/7 for π. show the work

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Ellaphaba
Ellaphaba Ellaphaba
  • 03-03-2017
88cm=2(22/7)r
88=6.29r
r=13.99 or 14
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roziengash1998
roziengash1998 roziengash1998
  • 03-03-2017
If we are then solving for radius what you will begin with ( plug in 88cm for C in the formula, divide both sides by 2, multiply both sides by the recipricol of 22/7 which will be 7/22 and on one side u will be left with r and it will equal 14. so ur radius is 14.
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