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Mathematics 10 Online
OpenStudy (anonymous):

A contractor has installed a silt fence around an area that is semi-circular and level to prevent soil from the construction site entering nearby streams. The diameter of the semi-circle is 1200 feet. how many acres are within the enclosed by the fence?

OpenStudy (studygurl14):

find the area of the circle, then divide by 2 since it is a semi-circle. Hope this helps. :)

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