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6 October, 22:44

What is the area of a circle with a radius of 40 cm?

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  1. 7 October, 00:04
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    The area of a circle is PiR^2

    Square the radius, 40.

    40 x 40 = 1600.

    Multiply 1600 by Pi (3.14)

    1600 x 3.14 = 5024.

    5024 cm^2 is your area.
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