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1 September, 18:30

Calculate the area of a circle with diameter of 10cm

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  1. 1 September, 19:42
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    The area of ANY circle is (pi) x (radius) ².

    The radius of a circle is (1/2) x (the diameter).

    So for your circle, the radius is (1/2) x (10cm) = 5 cm.

    Write that in place of 'radius' in the formula, and use

    3.14 for 'pi', and the answer will jump out at you.
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