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30 October, 20:54

Use pi=3

Calculate the area of a circle with a diameter of 10cm

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  1. 31 October, 00:27
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    Area of a circle is 75 cm².

    Area of a circle is computed by multiplying pi to the square of the radius.

    A = πr²

    diameter = 10 cm

    radius = d/2 = 10/2 = 5 cm

    pi = 3

    A = 3 (5cm²)

    A = 3 (25cm²)

    A = 75 cm²
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