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  • Dec 11, 2010, 02:26 PM
    zabria
    Trigonometry
    Each side of a regular pentagon is 48 cm. find the length of the radius of a circle inscribed in a pentagon
  • Dec 11, 2010, 04:00 PM
    galactus



    or, if in degrees:



    n is the number of sides and L is the length of a side.

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