and 
are diameters, so 
. 
and 
opposite to 
, thus m arc DC is half of 96°:In F, < CFD = < DFE, m< BFA = 4x, m< AFE = 3x + 12, and BE and AC are diameters.
...
Mathematics, 20.02.2020 00:15 heavenwagner
In F, < CFD = < DFE, m< BFA = 4x, m< AFE = 3x + 12, and BE and AC are diameters.
Answers: 2
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