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What is the area of a circle with a diameter of twenty-eight meters? Use twenty-two sevenths for pi.
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Well you know the area of a circle is \[\pi r^2\] We have the diameter.....but we need the radius for the equation...so divide 28 in half to get 14...now have have all we need since we know to use 22/7 for pi \[Area = \frac{ 22 }{ 7 } \times 14^2\]
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Lol |dw:1374173612168:dw|
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