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Mathematics 8 Online
OpenStudy (anonymous):

multiple choice. help please?(:

OpenStudy (anonymous):

OpenStudy (zehanz):

The fence will be a circle with radius 15 ft. The circumference of a circle is \(2\pi r\), where r is the radius...

OpenStudy (anonymous):

so 94

OpenStudy (anonymous):

shouldn't it be pi r^2

OpenStudy (zehanz):

Oops, I see, the question asks not how much fencing you need (=circumference), but the enclosed area. Thet is \(\pi r^2\)!

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