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Mathematics 9 Online
OpenStudy (anonymous):

arc DE=31?

OpenStudy (alexwee123):

depends :/

OpenStudy (anonymous):

|dw:1337664877381:dw|

OpenStudy (paxpolaris):

yes

OpenStudy (shubhamsrg):

yes,,because equal chords substend equal angles at the center if center is O ,,then sectors FOE is clearly congruent to sector DOE.. so arc ED =arc FE

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