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Answer:
a) 706.9cm^2, b)20,498.9cm^3
Explanation:
a)
area of circle: pi*r^2 = 15*2pi=225pi=706.853....
radius of cross section area: 706.9cm^2
b)
volume of cylinder: base(circle)*height
706.853*29 = 20498.892 cm^3
20,498.9 cm^3
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