Could someone help with this?
1 answer:
C = (1/3)π r² h
270π = (1/3)π r² (10)
81=r²
r=9 cm
S = (4/3)π r³ = (4/3)π 9³ = 972 π
Total volume = S + C = (972+270)π = 1242π
Answer: 1242 π cubic cm
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