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use n equals 22 over 7 find the area of a circle with a radius of 7

  • math -

    that 'n' is actually the Greek letter π which is equal to 3.1416... but since in the problem π = 22/7 , we use this value.
    recall that the area of a circle is given by
    A = π*r^2
    r = radius
    A = π*(7^2)
    A = (22/7)(49)
    A = 22*7
    A = 154 square units

    hope this helps~ :)

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