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The figure shows a cyclic quadrilateral ABCD with circumcenter O and a tangential quadrilateral BCEF with incenter O1 (F on AB) so that O and O1 are on BD. If CE = 10 and EF =7, find AF.
Home | Search | Geometry | Problems | All Problems | Open Problems | Visual Index | 10 Problems | Problems Art Gallery | Art | 1181-1190 | Quadrilateral | Circle | Cyclic Quadrilateral | Tangential or circumscribed quadrilateral | Diameter | Circle Tangent Line | Incenter | Circumcenter Last updated: Jan 20, 2016
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