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15 September, 10:19

What is the area of a circle with a diameter of 13.2 cm?

Use 3.14 for pi and round your final answer to the nearest hundredth.

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  1. 15 September, 13:01
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    The formula for the area of a circle is: A=3.14r^2

    r = d/2

    r = 13.2/2

    r = 6.6

    A = (3.14) (6.6) ^2

    A = (3.14) (43.56)

    A = 136.847

    Final answer: 136.85 cm (^2)
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