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Usman458
Usman458 Usman458
  • 11-08-2016
  • Mathematics
Answered

Help!! include working out please :)

Help!! include working out please :) class=

Verified Answer :

emowolf101
emowolf101 emowolf101
  • 11-08-2016

If the perimeter of a circle is dpi, then you would do ((303.14)-(203.14))/2 to find the perimeter.
30
3.14=94.2
20*3.14=62.8
94.2-62.8=31.4
31.4/2=15.7 cm

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