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Mathematics 20 Online
OpenStudy (anonymous):

given CO bisects DON. What is the measure of minor arc MA?

OpenStudy (anonymous):

OpenStudy (anonymous):

from figure angle(DON)=90 and CO bisects it. so angle(COD)=90/2=45 degree=45pi/180 rad=pi/4 rad so arc(MA)=r*pi/4 where r=radius of circle=OA so arc(MA)=(OA)pi/4

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