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netineya [11]
3 years ago
7

Two questions

Mathematics
1 answer:
Galina-37 [17]3 years ago
4 0
Pic:
V = 1/3 × 4^2 × 3 + 4^3
V = 16 + 64
V = 80

words:
d = 12, r = 6
SA = 4 × pi × 6^2
SA = 144pi

V = 4/3 × pi × 6^3
V = 288pi

SA to V is 1 to 2 (1:2)
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