victoriamoran55
victoriamoran55
04-08-2017
Mathematics
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SOS!!!...need help ASAP :(...
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choixongdong
choixongdong
04-08-2017
3a
C = 2πr = 2π(7) = 14
π 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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