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Mathematics 13 Online
OpenStudy (anonymous):

In circle A shown below, mArc BC is 71° and mArc EF is 78°. http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0801_03/image0044e847a03.gif What is m∡FDE?

OpenStudy (anonymous):

@CliffSedge @jim_thompson5910 @ParthKohli

OpenStudy (anonymous):

|dw:1346794160576:dw| Inner angle equals the aritmetic average of its supporting arcs on both sides

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