angel0741
angel0741 angel0741
  • 20-04-2024
  • Mathematics
Answered

0/360*2*π×r +2r
135/360*2*11*π +2*11
135/360*22π+22
135/360*69+22
0.375*69+22
=47.875
47.875cm > 47.5cm

03602πr 2r 135360211π 211 13536022π22 1353606922 03756922 47875 47875cm gt 475cm class=


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