Hey there!
I believe your answer would be 282.7.
The formula should be 2πrh+2πr^2. So, 2·π·3·12+2·π·3^2.
Round the answer to the nearest tenth, and you will get 282.7!
Hope this helps!
Have a great day!
Answer:
282.7 ft^2
Explanation:
Surface area=2*pi*r(r+h)
2*pi*3*(15)=282.7 ft^2
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