Need help on the same question
Answer:
vol of cylinder = per. of base x height + 2 (area of base)
area of base = pi x r^2
4pi = pi r^2
4=r^2
r=2
per of base = 2 x pi x r
2xpix2=4pi (same as area cause 2x2 and 2^2 is the same thing)
4pi + 2(4pi)
4pi + 8pi
<u>12pi = volume</u>
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<u>hope that answers your question</u>
<u>Don't hesitate to comment if you are confused about something</u>
Step-by-step explanation:
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