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3 July, 10:29

47) Find the area of a circle with diameter of 10 cm. Let pi = 3.14.

48) Find the area of a circle with radius of 2 cm. Let pi = 3.14.

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  1. 3 July, 12:17
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    Step-by-step explanation:

    note:

    the area of a circle is : A = π*r² ... r : radius and : D=2r ... D : diameter

    47) D = 10 cm r = 10cm/2 = 5 cm

    A=π*r² = 3.1448*5² = 78.62cm²

    48) A = 3.1448*2² = 12.58cm²
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Home » Mathematics » 47) Find the area of a circle with diameter of 10 cm. Let pi = 3.14. 48) Find the area of a circle with radius of 2 cm. Let pi = 3.14.
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