Answer :
Answer:
A≈1130.97
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Step-by-step explanation:
A=2πrh+2πr2=2·π·12·3+2·π·122≈1130.97336
Answer:
A≈1130.97
------------------------------------------------------
Step-by-step explanation:
A=2πrh+2πr2=2·π·12·3+2·π·122≈1130.97336