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2 votes
Please help me on this one

Please help me on this one-example-1
User Revmatcher
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2 Answers

1 vote
The answer is 24. You plug in 3 for pie and 4 for r. 
User Miluz
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4 votes
Okay here we go. The diameter is 8, therefore the radius is 4. so you plug in 4 to r. 2pi4.

i believe it is 25
User Hristo Venev
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