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Mathematics 8 Online
OpenStudy (anonymous):

Lines CD and DE are tangent to circle A shown below. If is 98°, what is the measure of ∡CDE? 56° 49° 131° 82°

OpenStudy (anonymous):

OpenStudy (anonymous):

82

OpenStudy (anonymous):

|dw:1331567917649:dw| since O+C+D+E=360=98+90+D+90=360=>D=82=>angle(CDE)=82degree

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