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16 January, 03:37

A circle has a diameter of 10 cm. What is the best approximation of its area? Use 3.14 to approximate for π.

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  1. 16 January, 04:22
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    Diameter = 10cm

    radius = 10/2 = 5 cm

    Area = πr² = 3.14 * 5² = 78.5cm²
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