victoriamoran55
victoriamoran55 victoriamoran55
  • 04-08-2017
  • Mathematics
contestada

SOS!!!...need help ASAP :(...

SOSneed help ASAP class=

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choixongdong
choixongdong choixongdong
  • 04-08-2017
3a
C = 2πr = 2π(7) = 14π or 14 x 3.14 = 43.96 ft

3b
A = πr^2 = 49π or 49 x 3.14 = 153.86 ft^2

3c
3.5 x 78.5 = $538.51
cost = $
538.51

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