answer question 31
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Step-by-step explanation:
V(sphere) = 4×pi×r^3/3
S(sphere) = 4×pi×r^2
V(sphere) / A(sphere) = r / 3
r / 3 = 6
r = 18 cm
S(sphere) = 4×(22/7)×18^2 ~ 4073 cm^2
ansh981:
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