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The figure below shows a right triangle ABC (angle B = 90 degrees) and a square ACDE of center O so that OC cuts AB at F. If the areas of the triangles AOF and CFB are 15 and 7, respectively, find the measure of OB.

Home | Geometry | Search | Problems | All Problems | Open Problems | Visual Index | 1301-1310 | Triangle | Square | Triangle Area | View or Post a solution | by Antonio Gutierrez