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Mathematics 14 Online
OpenStudy (anonymous):

In circle A shown below, mArc BC is 71° and mArc EF is 78°. Points B, C, E, F lie on Circle A; lines BE and CF pass through point D creating angle EDF; measure of arc BC is 71 degrees and measure of arc EF is 78 degrees. What is m∡FDE? 35.5° 74.5° 39° 78°

OpenStudy (anonymous):

OpenStudy (anonymous):

im confused.

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