Answer:
438.25
Step-by-step explanation:
A=2 π r h+2 π r^2=2×π×4.5×11+2×π×4.5^2≈438.25218
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B E F
b- square root of 18
e- square root of 78
f- pi
29946
Step-by-step explanation
Multiply the value by 1.38.