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27 May, 22:14

Find the area of the following circle IN BOTH TERMS OF PI and 3.14:Find the area of a circle with diameter 20cm.

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  1. 28 May, 01:30
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    The area of the circle in terms of pi = 100π cm²

    The area of the circle is 314 cm².

    Step-by-step explanation:

    Given that,

    The diameter of the circle = 20 cm.

    We need to find out the value of radius of the circle in order to find the area of the circle.

    To find the radius of the circle:

    Radius, r = diameter / 2

    ⇒ r = 20/2

    ⇒ r = 10 cm.

    Therefore, the radius of the circle is 10 cm.

    To find the area of the circle:

    Area of the circle = πr²

    where,

    π has the default value of 3.14 r is the radius of the circle.

    Area of the circle in terms of Pi:

    ⇒ π * (10) ²

    ⇒ π * 10 * 10

    ⇒ 100π

    The area of the circle in terms of pi = 100π cm²

    Area of the circle = 3.14 * 100

    ⇒ 314 cm²

    The area of the circle is 314 cm².
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