Itzjustkatiex
Itzjustkatiex
06-07-2018
Mathematics
contestada
Find the surface area
Respuesta :
mkryukova19
mkryukova19
06-07-2018
Formula: SA = 2πr² + 2πrh
h =40 in
Diameter d =12 in.
Radius =
r =
d/2 = 12/2 =
6 in
SA =
2π6² + 2π*6*40 = 72π + 480π =
552π (in²)
SA
= 552π = 552*3.14 =
1733.28 (in²)
Answer: 1733.28.
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