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1 January, 02:24

A small silver dollar pancakes served at a restaurant has a circumference of two pi inches a regular pancake has a circumference of four pi inches is the area of the regular pancake twice the area of the silver dollar pancakes

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  1. 1 January, 04:17
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    For this case we have that the perimeter by definition is:

    P = 2 * pi * r

    For small silver dollar pancakes:

    2 * pi * r = 2 * pi

    Thus:

    r = 1

    For a regular pancake

    2 * pi * r = 4 * pi

    Thus:

    r = 2

    The area of both will be:

    For small silver dollar pancakes:

    A1 = pi * r1 ^ 2

    A1 = pi * (1) ^ 2

    A1 = pi

    For a regular pancake

    A1 = pi * r2 ^ 2

    A1 = pi * (2) ^ 2

    A1 = 4pi

    Answer:

    the area of the regular pancake is not twice the area of the silver dollar pancakes
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