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Mathematics 9 Online
OpenStudy (anonymous):

how do i solve this?

OpenStudy (anonymous):

OpenStudy (anonymous):

A. 25º B. 76º C. 55º D. 125º

OpenStudy (anonymous):

CF is a diameter..so arc FC is 180 degrees. Since EF is 55 degrees, that means that EC is 125 degrees. so therefore the angle FDE should be 1/2 of the difference of the arcs. I get the answer at 35 degrees

OpenStudy (anonymous):

sorry i wrote the multiple choices wrong... thank you for yyour help! :)

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