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Needing SERIOUS help with circumference and area circle-wise. Help? I'm not really sure where I'm messing up at, but could someone explain all the forumula stuff with area to me in layman's terms?

  • Math - ,

    Circumference is the distance around the circle. The circumference equals pi times the diameter.

    Example for a circle with a 4 cm diameter:

    C = pi * d
    C = 3.14 * 4
    C = 12.56 cm

    The area of a circle equals pi * radius squared.

    Example for a circle with a radius of 3 cm:

    A = pi * r^2
    A = 3.14 * 9
    A = 28.26 square centimeters

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