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9 February, 19:16

What is the area of the top surface of a circular manhole cover that has a radius of 30 centimeters rounded to the nearest tenth

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  1. 9 February, 19:45
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    Area=pir^2

    r=30

    pi aprox=3.141592

    aresa=3.141592*30^2

    area=3.141592 times 900

    aera=2827.43

    area=2827.4 cm^2
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