victoriamoran55
victoriamoran55
04-08-2017
Mathematics
contestada
please some one help me.
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choixongdong
choixongdong
04-08-2017
8a
TSA = 2πrh + 2
πr^2
TSA = 471 + 157 (or 150π + 50π)
TSA = 628 cm^2 (or 200π)
8b
628 x $3 = $1884
cost = $1884
8c.
V = πr^2h = π 5^ 5 (15) = 375π (or 1177.5 if use π = 3.14)
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