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Geometry 18 Online
OpenStudy (anonymous):

Calculate the m angle EBF , given m arc DA= 45° and m arc EF = 160°. http://curriculum.kcdistancelearning.com/courses/GEOMx-HS-A09/b/assessments/C-SpecialAnglesandArcinCirclesQuiz/Geometry_7.2_Quiz_FINAL_29q4.gif A.57.5° B.180° C.115° D.112.5°

OpenStudy (mathstudent55):

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OpenStudy (anonymous):

x= 1/2(45-160) ?

OpenStudy (mathstudent55):

\( m\angle EBF = \dfrac{1}{2}(160^\circ - 45^\circ)\)

OpenStudy (anonymous):

x= 115/2 = 57.5 ?

OpenStudy (mathstudent55):

You need to subtract the small arc measure from the large arc measure to get a positive result. Then divide by 2.

OpenStudy (mathstudent55):

Correct.

OpenStudy (anonymous):

Thankyou for your time<3 god bless you.

OpenStudy (mathstudent55):

You're welcome.

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