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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 1100 feet.
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Jul 3, 2018
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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 1100 feet. How many linear feet of fence does the contractor need to use to enclose the area?
How many acres are within the enclosed by the fence?
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Ayyappa Maddi
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we know is a semi-circle, so let us use the equation for the area of a circle instead, and then, half it
so, the diameter is 1100, meaning the radius is half that, or 550
so...
Clav
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Jul 10, 2018
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