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OpenStudy (anonymous):
In circle A shown below, m arc BC is 71° and m arc EF is 78°. What is m∡FDE? 35.5° 74.5° 39° 78°
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OpenStudy (anonymous):
OpenStudy (mertsj):
The measure of an angle formed by two chords is 1/2 the sum of the intercepted arcs.
OpenStudy (anonymous):
@Mertsj So it'd be 1/2 of 71 +78 ?
OpenStudy (mertsj):
yes
OpenStudy (anonymous):
so 74.5?
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