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August 25th, 2012, 08:22 PM   #1
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find radius if a circle is inscribed in quadrilateral

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 August 25th, 2012, 08:49 PM #2 Senior Member     Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs Re: find radius if a circle is inscribed in quadrilateral Drop a vertical radius down from O to DC, and call this point P. We see that DP = r and PC = 11 cm, and DP + PC = 25 cm, hence, r = 14 cm.

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# find radius of circle inscribe in quadrileteral

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